Question

prove that 3-√5 is irrational​

Answer 1

Step-by-step explanation:

to prove that:

3-√5 is a irrational number

proof:

let us assume that 3-√5 is a rational number.

3-√5=a/b, so b=0

a,b is a co prime numbers

3-√5=a/b

-√5=a/b-3

√5=-a/b+3

-a/b+3is a rational number

wkt

√5 is a irrational number

so, our assumption is wrong..

hence 3-√5 is a irrational number.......

Answer 2

Answer:

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