Timer
00:00
Answers
A
B
C
D
E
Stats
Difficulty—
If $$x=\sqrt{y},$$ which of the following could be equal to $$\frac{1}{\left(x^{-2}\right)^{-2}}\ ?$$
$$A.\ y\ ^{-8}$$
$$B.\ y\ ^{-4}$$
$$C.\ y\ ^{-2}$$
$$D.\ \ y\ $$
$$E.\ \ y\ ^2$$
The OA is A .
How can I show that A is the correct answer? Can any Expert help me?
$$A.\ y\ ^{-8}$$
$$B.\ y\ ^{-4}$$
$$C.\ y\ ^{-2}$$
$$D.\ \ y\ $$
$$E.\ \ y\ ^2$$
The OA is A .
How can I show that A is the correct answer? Can any Expert help me?
