Let
and
. Then


and


The expression under the square root can be rewritten as

Recall that

so that

and assuming
and
, we end up with

so that

as required.
Answer:
The answer is 410
Step-by-step explanation:
10 x 7 x 3 + 10 x 10 x 2 = 410
Answer:
7560
Step-by-step explanation:
I used google calculator
Answer: a
Step-by-step explanation: C is in quadrant 1 and quadrant 1 is (+,+)