Question

rationalize 1 / 1+√7​

Answer 1

Step-by-step explanation:

1/1+√7

by rationalization we have

1/1+√7 × 1–√7/1–√7

1–√7/1²–√7²

$(a + b)(a - b) = a { }^{2} + b { }^{2}$

1–√7/1–7

√7–1/6

is the answer.