Question

Please give the me toughest question of surds​

Answer 1

Answer:

Factorise a-b.. I think it is a good question

Answer 2

Answer:

1. To find √ (a + √b) write it in the form m + n + 2√mn, such that m + n = a and 4mn = b, then √ (a + √b) = ±(√m + √n)

Step-by-step explanation:

It is not the toughest but it's quite tricky

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