Question

rationalise denominator
1. 2/√7
2. 1/3+√2
3.√2+1/√5​

Answer 1

Answer:

hope it is helpful for you

Answer 2

Step-by-step explanation:

• 2/√7

rationalising

2√7/7

• 1/(3+√2)

rationalising

[3-√2]/9-2

[3-√2]/7

• (√2+1)/√5

rationalising

√5[√2+1]/5

√10+√5/5