Question

Find the value of a and b if: √2+1 /√2−1 − √2−1 /√2+1 = a + b√2​

Answer 1

Answer:

√2 - 1 / √2 + 1

= (√2 - 1 / √2 + 1) × ( √2 - 1 / √2 - 1)

= ( √2 - 1 )^2 / (√2)^2 - (1)^2

= [ (√2)^2 + (1)^2 - 2*√2*1 ] / 2 - 1

= (2 + 1 - 2√2) / 1

= 3 - 2√2

We know that ,,

=> 3 - 2√2 = a + b√2

So,

a = 3

b = - 2

Step-by-step explanation:

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Answer 2

Answer:

Hope my answer helps you..