Question

rationalise the denominator :3 root 5 + root 3/root 5-root 3​

Answer 1

Answer:

here's your answer

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Answer 2

Answer:

9 + 2root15

Step-by-step explanation:

here the denominator is root5 - root3, when we want to rationalize the denominator we have to multiply both sides(up and down in a fraction) with root5 + root3 i. e., changing the operator only. so we get,

you can see solution in the image.

note : in the 2nd step of solution I use a formula

$(a + b) \times (a - b) = {a}^{2} - {b}^{2}$