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If P(theta) and Q((pi)/(2)+theta) are tw...

If `P(theta) and Q((pi)/(2)+theta)` are two points on the ellipse `(x^(2))/(9)+(y^(2))/(4)=1` then find the lotuc of midpoint of PQ

A

ab

B

a+b

C

`a^(2)-b^(2)`

D

`a^(2)+b^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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