Question

The rationalising factor for the denominator of the expression 1/(√5+2) is

a)2-√5

b)2+√5

c)√(5-2)

d)√5​

Answer 1

Answer:

Hi

Step-by-step explanation:

The answer for your question is

a) 2-√5

Because for rationalising the conjugate pair should be multiplied to both numerator and denominator

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