Question

In BEDMAS;
Brackets, Exponents, Multiplication, Addition, Subtraction...

Do exponents go at the exact same time as square roots?

So in sqrt(8+x)² , the square roots and exponents cancel at the exact same time?

Answer 1

Look man.

\(\sqrt{a}\) can also be written as, \(a^\frac12\)Do you agree with this?

Answer 2

Yes

Answer 3

Ok,
so if you write,

\(\sqrt{-2} \)and \((-2)^\frac12\)same thing?

Answer 4

Yes I believe so.

Answer 5

BUt you can't solve
the left expression.. whereas you can solve the right one.

Answer 6

I think I understand it 1 sec

Answer 7

1 sec up.

Answer 8

sqrt(4)² = (((4)^1/2)^2)?

Answer 9

Yes and so exponents cancel out.
leaving you with 4.

Answer 10

Okay I will post another question

Answer 11

Sure.
It's all free. ;)

Answer 12

just look here

Answer 13

@Leaper