Question

rationalize the denominator 1. 1/√5-√2-1​

Answer 1

1/(√5-√2)-1×(√5-√2)+1/(√5-√2)+1

√5-√2+1/(5+2-2√10)-1

√5-√2+1/6-2√10

√5-√2+1/6-2√10×6+2√10/6+2√10

(√5-√2+1) (6+2√10)/36-40

6√5-6√2+6+2√50-√20+2√10/-4