Question

The number obtained on rationalize the denominator of1/√7-2​

Answer 1

Step-by-step explanation:

1/√7-2 X √7+2/√7+2

√7+2/7-4

√7+2/3

Answer 2

Question: 1/√7-2

Solution:-

1/√7-2

1/√7-2 * √7+2 / √7+2

√7+2 / (√7)^2 - (2)^2

√7+2 / (7 - 4)

√7+2 / 3 .

answer:√7+2/3