Question

Please give me answer

Answer 1

Answer:

=√10+√5

Step-by-step explanation:

=When we solve our denominator

=√10+√20+√40-√5-√80

=√10+2√5+2√10-√5-4√5

=3√10+√5-4√5

=3√10-3√5(take 3 common)

=3(√10-√5)

NOW WE WILL PUT NUMERATOR AND DENOMINATOR TOGETHER

____15____= ____5___

3(√10-√5) √10-√5

NOW RATIONALISE IT

YOU WILL GET ANSWER

=√10+√5