Math, asked by Babygirl22, 8 months ago

Hey

Guys plz answer

it's really urgent!!!!!!!!!!!!!!​

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Answers

Answered by Anonymous
5

<body bgcolor=yellow>

Hi there!

Your Answer :-

Let 3+2√5 = a/b.

\sf\blue{3 + 2 \sqrt{5}  =  \dfrac{a}{b} }

As per equation,

\sf\purple{  \sqrt{5}  =  \dfrac{a - 3b}{2b} }

But √5 is irrational.

So, 3+2√5 is irrational.

Answered by Anonymous
0

Answer:

Let 3+2√5 = a/b.

\sf\blue{3 + 2 \sqrt{5} = \dfrac{a}{b} }3+2

5

=

b

a

As per equation,

\sf\purple{ \sqrt{5} = \dfrac{a - 3b}{2b} }

5

=

2b

a−3b

But √5 is irrational.

So, 3+2√5 is irrational

Step-by-step explanation:

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