Question

rationalise the denominator of7+3root5by7-3root5

Answer 1

Answer:

Step-by-step explanation:

(7 + 3√5)/7-3√5

multiply both numerator and denominator with 7 + 3√5

then we get{ (7+3√5)^2 }÷4

hope it helps you

please mark it as the brainliest