Question

rationalise the denominator of 1/5+√2​

Answer 1

Answer:

1 / √5 + √2We need to multiply the numerator and denominator of 1 / √5 + √2 by √5 - √2 to get 1 / √5 + √2 x √5 - √2 / √5 - √2 = √5 - √2 / √5 + √2 √5 - √2We need to apply the formula a - ba +b = a2 -b2 int the denominator to get1 / √5 + √2 = √5 - √2 / √52 -√22= √5 - √2 / 5 - 2= √5 - √2 / 3Therefore we conclude that on ...

Answer 2

Answer:

1.61421356237

Step-by-step explanation:

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