Question

Prove that 3+2 UNDER ROOT 11 is irrational

Answer 1

Step-by-step explanation:

3+2=5

_/11

=5

because

it can bot 4

nor 5

Answer 2

Answer:

Assume that 3+2

5

is rational. Then,

3+2

5

=

b

a

5

=

2b

a−3b

This gives that

2b

a−3b

is rational but

5

is an irrational number, therefore, the assumption is wrong.

Hence, 3+2

5

is irrational.

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