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If Delta=|{:(sinx,sin(x+h),sin(x+2h)),(s...

If `Delta=|{:(sinx,sin(x+h),sin(x+2h)),(sin(x+2h),sinx,sin(x+h)),(sin(x+h),sin(x+2h),sinx):}|`
find `underset(hto0) lim((Delta)/(h^(2)))`.

A

6 sin x `cos^(2) ` x

B

6 cos x `sin^(2)` x

C

9 sin x `cos^(2)` x

D

9 cos x `sin^(2)` x

Text Solution

Verified by Experts

The correct Answer is:
C
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