Question

Prove that 3+2 √5
an irrational number....

plz answer


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Answer 1

Answer:

Hope it helps

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Answer 2

let us assume that 3+2/5 is a rational number

so it can be written in the form of a÷b

3+2/5=a/b

solving 3+2/5, a/b we get

= 2 / 5 = a/b -3

= 2/5 = (a - 36)/b

/ 5 = (a - 3 b)/2 b

This shown (a-3 b)/2b is a rational number. But he know that\5 is an irrational number

our assumption of 3 + 2/5 is a rational number is incorrect