Question

can someone explain how...

Answer 1

...?

Answer 2

big suspense...

Answer 3

do we provide the question and the answer here ?

Answer 4

Because, 5 + 5 = 10

Answer 5

or why this is the answer:
-3/2[pi] (-[pi]/4)
=-6/4[pi] - 1/4[pi]
=-7/4[pi]

Answer 6

for this question...

Answer 7

Multiply the top and the bottom of -3/2[pi] by 2
and you get -6/4[pi] then since the denominators are the same
you can subtract it! :D