Question

1/√5+,√3-2√2 rationalise the denominater​

Answer 1

Step-by-step explanation:

1. 1/√5=1*√5/√5*√5=1√5/√25=√5/5

this is the answer for first one.

now in second one,

1. √3-2√2=√3-2√2/1=√3-2√2*√3+2√2/1*√3+2√2
2. now,√3^2-2√2^2/√3+2√2=√9-√64/√3+√8=3-8/√3+√8=-5/√3+√8