JEE MATHEMATICS MCQ: 2D GEOMETRY SYSTEM

1 Easy

1 of 1

Application +4 | -1

P

and

Q

are two points whose coordinates are

\left(a t^2, 2 a t\right)

and

\left(\frac{a}{t^2},-\frac{2 a}{t}\right)

respectively and

S

is the point

(a, 0)

. Then, harmonic mean of

S P

and

S Q

, is

View answer and explanation

Correct option: C

2 a

Option C (

2a

) is correct because it represents the harmonic mean of the distances SP and SQ.

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