The funtion f(x)= integration(sin 6 t +cos 6 t)dt from 0 to x 3, is increasing in?

The funtion f(x)= integration(sin6t +cos6t)dt from 0 to x3, is increasing in? 

Grade:12th Pass

1 Answers

Shivam Dimri
43 Points
11 years ago

directly differentiate to get

f''(x) = sin6x3  + cos6x3

then use the fac of a"3 + b"3 formula and equate th expression to zero,

you get the desired range!!

best part of using this newton libnit rule tis that you dont need to integrate the whole function,

direct differentiation is possible!!

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