Question

Rationalize the denominator 1÷√8-√5​

Answer 1

Answer:

√8+√5 / 3

Step-by-step explanation:

1/√8-√5 x √8+√5/√8+√5

= √8+√5/(√8)^2 - (√5)^2  [Since (a+b)(a-b) = a^2 - b^2]

= √8+√5 / 8 - 5

= √8+√5 / 3 (Ans)