Answer:
6p
Step-by-step explanation:
You just add 4 and 2 together and then put p at the end because they are like terms.
I suppose you mean to have the entire numerator under the square root?

We can use a trigonometric substitution to start:

Then for
,
; for
,
. So the integral is equivalent to

We can write

so the integral becomes

Answer:
I believe that he got step 5 wrong, and he should have used division instead of multiplication. Hope this helps!
Step-by-step explanation:
Answer:
h=2A/b
Step-by-step explanation:
Try to isolate the variable H. Multiply by 2 on both sides to get rid of the fraction. This gives us 2A=bh. Now, divide both sides by B to get h by itself. h=2A/b is your answer.