You need to divide for the first one
Just use the power rule:

We also could have use the fact that the integrand is even to write

I'll continue with this expression since it's easier to evaluate (if only a little):

Answer:
39 is separated into two parts 9 and 30.
Step-by-step explanation:
To find : Separate 39 into two parts such that 4 times the smaller exceeds the larger number 6 ?
Solution :
Let the smaller part is x and larger part is y.
39 is separate into two parts x and y
i.e.
....(1)
4 times the smaller exceeds the larger number 6
i.e.
....(2)
Solving (1) and (2) by adding both equations,



Substitute the value of x in equation (1),


The smaller part is 9 and the larger part is 30.
39 is separated into two parts 9 and 30.
B. The length of 2 sides and the angles between them.
D= 687-365
d is your answer to the question or the outcome