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The line joining A (b cos alpha, b sin a...

The line joining A `(b cos alpha, b sin alpha )` and B `(a cos beta, a sin beta)`, where `a ne b`, is produced to the point M(x,y) so that AM :MB = b :a Then `xcosfrac(alpha+beta)(2)+ysinfrac(alpha+beta)(2)`

A

0

B

1

C

-1

D

`a^2+b^2`

Text Solution

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The correct Answer is:
A
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