Maths-
General
Easy

Question

Matrix A is such that A to the power of 2 end exponent equals 2 A minus I, where I is the identity matrix The for n greater or equal than 2 comma A to the power of n end exponent equals

  1. nA‐(n‐l)I    
  2. n A minus I    
  3. 2 to the power of n minus 1 end exponent A minus left parenthesis n minus 1 right parenthesis I    
  4. 2 to the power of n minus 1 end exponent A minus I    

The correct answer is: nA‐(n‐l)I


    Related Questions to study

    General
    maths-

    Statement‐I:: If f left parenthesis x right parenthesis is increasing function with concavity upwards, then concavity of f to the power of negative 1 end exponent left parenthesis x right parenthesis is also upwards
    Statement‐II:: If f left parenthesis x right parenthesis is decreasing function with concavity upwards, then concavity of f to the power of negative 1 end exponent left parenthesis x right parenthesis is also upwards.

    Statement‐I:: If f left parenthesis x right parenthesis is increasing function with concavity upwards, then concavity of f to the power of negative 1 end exponent left parenthesis x right parenthesis is also upwards
    Statement‐II:: If f left parenthesis x right parenthesis is decreasing function with concavity upwards, then concavity of f to the power of negative 1 end exponent left parenthesis x right parenthesis is also upwards.

    maths-General
    General
    maths-

    Statement‐I:: fraction numerator 2 e to the power of x subscript 1 end subscript end exponent plus e to the power of x subscript 2 end subscript end exponent over denominator 3 end fraction greater than e left parenthesis fraction numerator 2 x subscript 1 to the power of plus X end exponent 2 end subscript over denominator 3 end fraction right parenthesis , where e is Napier’sconstant.
    Statement‐II:: If f e subscript i left parenthesis x right parenthesis end subscript and f C C left parenthesis x right parenthesis is positive for all x element of R, then f left parenthesis x right parenthesis increases with concavity up for all x element of R and any chord lies above the curve.

    Statement‐I:: fraction numerator 2 e to the power of x subscript 1 end subscript end exponent plus e to the power of x subscript 2 end subscript end exponent over denominator 3 end fraction greater than e left parenthesis fraction numerator 2 x subscript 1 to the power of plus X end exponent 2 end subscript over denominator 3 end fraction right parenthesis , where e is Napier’sconstant.
    Statement‐II:: If f e subscript i left parenthesis x right parenthesis end subscript and f C C left parenthesis x right parenthesis is positive for all x element of R, then f left parenthesis x right parenthesis increases with concavity up for all x element of R and any chord lies above the curve.

    maths-General
    General
    maths-

    The beds of two rivers (within a certain region) are a parabola y equals x to the power of 2 end exponent and a straight line y=x-2 These rivers are to be connected by a straight canal The coordinates of the ends of the shortest canal can be:

    The beds of two rivers (within a certain region) are a parabola y equals x to the power of 2 end exponent and a straight line y=x-2 These rivers are to be connected by a straight canal The coordinates of the ends of the shortest canal can be:

    maths-General
    parallel
    General
    maths-

    If f(x) is twice differentiable function f((1)=1, f(2)=4, f(3)=9

    If f(x) is twice differentiable function f((1)=1, f(2)=4, f(3)=9

    maths-General
    General
    maths-

    If f(x) equals x to the power of 3 end exponent plus b x to the power of 2 end exponent plus c x plus d comma 0 less than b to the power of 2 end exponent less than c, then f(x)

    If f(x) equals x to the power of 3 end exponent plus b x to the power of 2 end exponent plus c x plus d comma 0 less than b to the power of 2 end exponent less than c, then f(x)

    maths-General
    General
    maths-

    The set of value (s) of a’for which the function f left parenthesis x right parenthesis equals fraction numerator a x to the power of 3 end exponent over denominator 3 end fraction plus left parenthesis a plus 2 right parenthesis x to the power of 2 end exponent plus left parenthesis a minus 1 right parenthesis x plus 2 possess anegative point of inflection‐

    The set of value (s) of a’for which the function f left parenthesis x right parenthesis equals fraction numerator a x to the power of 3 end exponent over denominator 3 end fraction plus left parenthesis a plus 2 right parenthesis x to the power of 2 end exponent plus left parenthesis a minus 1 right parenthesis x plus 2 possess anegative point of inflection‐

    maths-General
    parallel
    General
    Maths-

    The greatest, the least values of the function, f left parenthesis x right parenthesis equals 2 minus square root of 1 plus 2 x plus x to the power of 2 end exponent end root comma x element of left square bracket 21 right square bracket are respectively

    Hence the final answer is (2,0)

    The greatest, the least values of the function, f left parenthesis x right parenthesis equals 2 minus square root of 1 plus 2 x plus x to the power of 2 end exponent end root comma x element of left square bracket 21 right square bracket are respectively

    Maths-General

    Hence the final answer is (2,0)

    General
    Maths-

    Suppose that f is differentiable for allx and that f to the power of ’ end exponent left parenthesis x right parenthesis less or equal than 2 for all x If f left parenthesis 1 right parenthesis equals 2 and f(4)=8 then f(2) has the value equal to

    Hence f(2)=4 is the suitable option

    Suppose that f is differentiable for allx and that f to the power of ’ end exponent left parenthesis x right parenthesis less or equal than 2 for all x If f left parenthesis 1 right parenthesis equals 2 and f(4)=8 then f(2) has the value equal to

    Maths-General

    Hence f(2)=4 is the suitable option

    General
    maths-

    f left parenthesis x right parenthesis equals not stretchy integral subscript blank superscript left parenthesis end superscript left parenthesis 2 minus fraction numerator 1 over denominator 1 plus x to the power of 2 end exponent end fraction minus fraction numerator 1 over denominator square root of 1 plus x to the power of 2 end exponent end root end fraction right parenthesis right parenthesis dxthenfis‐

    f left parenthesis x right parenthesis equals not stretchy integral subscript blank superscript left parenthesis end superscript left parenthesis 2 minus fraction numerator 1 over denominator 1 plus x to the power of 2 end exponent end fraction minus fraction numerator 1 over denominator square root of 1 plus x to the power of 2 end exponent end root end fraction right parenthesis right parenthesis dxthenfis‐

    maths-General
    parallel
    General
    Maths-

    The tangent to the curve 3 x y to the power of 2 end exponent minus 2 x to the power of 2 end exponent y equals 1 at (1,1) meets the curve again at the point‐

    The final answer is option B

    The tangent to the curve 3 x y to the power of 2 end exponent minus 2 x to the power of 2 end exponent y equals 1 at (1,1) meets the curve again at the point‐

    Maths-General

    The final answer is option B

    General
    physics-

    If the number of images that are formed between two mirrors are 6, then the angle between them is:

    If the number of images that are formed between two mirrors are 6, then the angle between them is:

    physics-General
    General
    physics-

     in the above fig, open floor i equals 45 to the power of ring operator end exponent close text  find end text.text end text left floor text d end text

     in the above fig, open floor i equals 45 to the power of ring operator end exponent close text  find end text.text end text left floor text d end text

    physics-General
    parallel
    General
    physics-

    The image of a real object on a plane mirror is ...

    The image of a real object on a plane mirror is ...

    physics-General
    General
    physics-

    When light propagates in Vacuum, there are electric and magnetic fields. These fields

    When light propagates in Vacuum, there are electric and magnetic fields. These fields

    physics-General
    General
    physics-

    Coating of a conductor with a non - conductor is called ........

    Coating of a conductor with a non - conductor is called ........

    physics-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.