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Line joining A(bcosalpha,bsinalpha) and ...

Line joining `A(bcosalpha,bsinalpha)` and `B(acosbeta,asinbeta)`, is produced to the point `M(x,y)` such that `AM:MB=b:a` then `xcos((alpha+beta)/2)+ysin((alpha+beta)/2) =`

A

`-1`

B

0

C

1

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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