1.

For which of the following values of x is8^(1+sinx + sin^(2)x + sin^(3)x + … + oo) = 64 ?

Answer»

`60^(@)`
`135^(@)`
`45^(@)`
`30^(@)`

SOLUTION :(i) USE the formula to find `S_(oo)` of a GP.
(ii) Equate the powers on either SIDES by MAKING equal bases.


Discussion

No Comment Found

Related InterviewSolutions