Physics
General
Easy

Question

As shown in the figure a particle starts its motion from 0 to A. And then it moves from. A to B. Error converting from MathML to accessible text. Is an are find the Path length

  1. 2r
  2. r+straight pi over 3
  3. r(1+straight pi over 3)
  4. straight pi over 3(r+1)

The correct answer is: r(1+straight pi over 3)

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Assertion (A): 2 to the power of 4 n end exponent minus 2 to the power of n end exponent left parenthesis 7 n plus 1 right parenthesis is divisible by the square of14 where n is a natural number Reason (R): left parenthesis 1 plus x right parenthesis to the power of n end exponent equals 1 plus to the power of n end exponent C subscript 1 end subscript x plus horizontal ellipsis. plus to the power of n end exponent C subscript n end subscript x to the power of n end exponent for all n element of N

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The arrangement of the following with respect to coefficient of x to the power of r end exponent in ascending order where vertical line x vertical line less than 1 A) x to the power of 5 end exponent in left parenthesis 1 minus x right parenthesis to the power of negative 3 end exponent where vertical line x vertical line less than 1 B) x to the power of 7 end exponent i n left parenthesis 1 plus 2 x plus 3 x to the power of 2 end exponent plus horizontal ellipsis infinity right parenthesiswhere vertical line x vertical line less than 1 C) x to the power of 10 end exponent in left parenthesis 1 plus x right parenthesis to the power of negative 1 end exponent where vertical line x vertical line less than 1 D) x to the power of 3 end exponent in left parenthesis 1 plus x right parenthesis to the power of 4 end exponent

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