Question

Prove that √2 + √5 is irrational number​

Answer 1

Step-by-step explanation:

p,q are integers then (p²-7q²)/2q is a rational number. Then √10 is also a rational number. But this contradicts the fact that √10 is an irrational number. √2+√5 is an irrational number.

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Answer 2

Answer:

$\sqrt{2 + \sqrt{5} }$So,underroot 2 is 1.414

underroot 5 is 2.236

3.650

hence, it is irrational

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