Question

prove that the following are irrational


3+2√5


pls quick answer(^^)​

Answer 1

Let 3+2√5 be a rational number.

Then, 3+2√5=a/b ,where a and b are coprime integers and b is not = 0.

2√5=a/b-3

√5=a/2b-3

We know that √5 is an irrational number,

So,our assumption is incorrect .

Therefore,3+2√5 is an irrational number.

Hence proved

Hope it helps.........

Plz mark as brainliest............^_^

Answer 2

answer is 3+2root5 hope it's help you