JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

1 Easy

1 of 1

Application +4 | -1

Let the coordinates of

P

(x, y)

and of

Q

(\alpha, \beta)

where

\alpha

is the geometric and

\beta

is the arithmetic mean of the coordinates of

P

. If the mid point of

P Q

(42,31)

the coordinates of

P

are

View answer and explanation

Correct option: B

(49,25)

Option B ((49,25)) is correct because it satisfies both the geometric and arithmetic mean conditions derived from the midpoint formula.

More Questions from PAIR OF STRAIGHT LINES

Practice All Chapter MCQs →

a x^2+2 h x y+b y^2+2 g x+2 f y+c=0

(-1,3)

y=2 x

a x^2+2 h x y+b y^2+2 g x+2 f y+c=0

y

4 x^2+2 \lambda x y-7 y^2=0

\lambda

3 x^2+2 h x y+3 y^2=0

h

3 x^2-3 h x y+4 y^2=0