Question

Check whether (√3 + √5 ) (√3 - √7 ) is rational or irrational
. Justify your answer​

Answer 1

Answer:

Step-by-step explanation:

=(√3 +√5 )(√3 - √7)

=(√3*√3 - √3*√7 +√5*√3 -√5*√7 )

= (3 - √21 + √15 - √35)

answer is irrational because it does not have perfect squares