JEE MATHEMATICS MCQ: 3D PLANES

1 Easy

1 of 1

Application +4 | -1

The mirror image of the point (1, 2, 3) in a plane is

\left( { - \frac{7}{3},\, - \frac{4}{3},\, - \frac{1}{3}} \right).

Which of the following points lies on the plane?

View answer and explanation

Correct option: A

(1, -1, 1)

Option D (

100\,\frac{1}{2}

) is correct because it is the sum of the first 200 terms of the A.P. calculated using the given information.

More Questions from 3D PLANES

Practice All Chapter MCQs →

\frac{x-2}{3}=\frac{y+1}{-2}=\frac{z+3}{-1}

p x-q y+

z=5

p, q \in \mathbb{R}

x-c y-b z=0, c x-y+a z=0

b x+a y-z=0

a^2+b^2+c^2+2 a b c

2 x-3 y+9 z=0

P

(0,1,-1)

4 x-2 y+7 z+9=0

P

(3,2,0)

\frac{x-4}{1}=\frac{y-7}{5}=\frac{z-4}{4}

a x+

=0

\alpha

z=0

\mathrm{ax}+\mathrm{by} \pm \mathrm{z} \sqrt{\mathrm{a}^2+\mathrm{b}^2} \tan \alpha+\mathrm{c}=0

(3,2,1)

x, y

z

A, B

C

y z

A

z x

B

x y

C