Question

Prove that 7√5is irrationol​

Answer 1

Answer:

yes

Step-by-step explanation:

As root 5 is irrational

Answer 2

Answer:

let us assume 7√5 is a rational number

7√5= A/B( a and b is a co prime number)

√5=A/7B

here a and b are rational no. so √5 is also a rational no. but there is a contraction on the fact that √5 is rational no.

so our assumption is wrong

,7√5 is irrational number

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