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Answered by
5
Hi there!
Your Answer :-
Let 3+2√5 = a/b.
As per equation,
But √5 is irrational.
So, 3+2√5 is irrational.
Answered by
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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