Simplify the radical expression by rationalizing the denominator.
2
J42
(1 point)
〇酒
0嗨
O 21/42
The simplified radical expression by rationalizing the denominator is:
√2 / √42 = √2 / √(2*21) = √2 / ( √2 * √21) = 1 / √21 = √21 / 21
2
J42
(1 point)
〇酒
0嗨
O 21/42
√2 / √42 = √2 / √(2*21) = √2 / ( √2 * √21) = 1 / √21 = √21 / 21