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If (sin^(4)theta)/(a)+(cos^(4)theta)/(b)...

If `(sin^(4)theta)/(a)+(cos^(4)theta)/(b)=(1)/(a_+b)` then `(sin^(8)theta)/(a^(3))+(cos^(8)theta)/(b^(3))=`

A

`(1)/((a+b)^(3))`

B

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

C

a+b

D

`(1)/(a+b)`

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The correct Answer is:
A
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