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Statement I phi(x)=int(0)^(x)(3 sin t+4 ...

Statement I `phi(x)=int_(0)^(x)(3 sin t+4 cos t)dt,[(pi)/(6),(pi)/(3)]phi(x)-`
attains its maximum value at `x=(pi)/(3).`
Statement II `phi(x)=int_(0)^(x)(3sint+4cost)dt,phi(x)` is
increasing function in `[(pi)/(6),(pi)/(3)]`

A

Statement I is true, Statement II is also true, Statement II is the correct explanation of statement I.

B

Statement I is true, Statement II is also true, Statement II is not the correct explanation of Statement I.

C

Statement I is true, Statement II is false

D

Statement I is false, Statement II is true

Text Solution

Verified by Experts

The correct Answer is:
A
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