Maths-

General

Easy

Question

# The reflection of the point (2, –1, 3) in the plane 3x – 2y – z = 9 is :

## The correct answer is:

### Related Questions to study

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### A, B, C & D are four points in a plane with position vectors respectively such that Then for the triangle ABC, D is its:

### A, B, C & D are four points in a plane with position vectors respectively such that Then for the triangle ABC, D is its:

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### Equation of the angle bisector of the angle between the lines

### Equation of the angle bisector of the angle between the lines

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### The sine of angle formed by the lateral face ADC and plane of the base ABC of the tetrahedron ABCD where A º (3, –2, 1) ; B º (3, 1, 5); C º (4, 0, 3) and D º (1, 0, 0) is -

### The sine of angle formed by the lateral face ADC and plane of the base ABC of the tetrahedron ABCD where A º (3, –2, 1) ; B º (3, 1, 5); C º (4, 0, 3) and D º (1, 0, 0) is -

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### Four coplanar forces are applied at a point O. Each of them is equal to k and the angle between two consecutive forces equals 45º as shown in the figure. Then the resultant has the magnitude equal to :

### Four coplanar forces are applied at a point O. Each of them is equal to k and the angle between two consecutive forces equals 45º as shown in the figure. Then the resultant has the magnitude equal to :

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### be vectors of length 3,4,5 respectively. be perpendicular to and is equal to :

### be vectors of length 3,4,5 respectively. be perpendicular to and is equal to :

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### and is equal to :

### and is equal to :

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### If ABCDEF is a regular hexagon and if then

### If ABCDEF is a regular hexagon and if then

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### If is along the angle bisector of then -

### If is along the angle bisector of then -

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### If the solution of the differential equation

### If the solution of the differential equation

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### A curve passes through the point Let the slope of the curve at each point (x, y) be Then the equation of the curve is

### A curve passes through the point Let the slope of the curve at each point (x, y) be Then the equation of the curve is

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### The solution of the differential equation

### The solution of the differential equation

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### Statement-I : Integral curves denoted by the first order linear differential equation are family of parabolas passing through the origin.

Statement-II : Every differential equation geometrically represents a family of curve having some common property.

### Statement-I : Integral curves denoted by the first order linear differential equation are family of parabolas passing through the origin.

Statement-II : Every differential equation geometrically represents a family of curve having some common property.

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### A function f(x) satisfying where x>0 , is

### A function f(x) satisfying where x>0 , is

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### (where c is an arbitrary constant) is the general solution of the differential equation then the function

### (where c is an arbitrary constant) is the general solution of the differential equation then the function

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### A function y = f (x) satisfies the condition f '(x) sin x + f (x) cos x = 1, f (x) being bounded when x 0. If

### A function y = f (x) satisfies the condition f '(x) sin x + f (x) cos x = 1, f (x) being bounded when x 0. If

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