Examine wheather (5+underoot 2)^2 is rational or irrational
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Answer:
Irrational
Step-by-step explanation:
(5 + √2)²
= 25 + (2 x 5 x √2) + 2
= 25 + 10√2 + 2
= 27 + 10√2
here 10√2 is irrational
We know that ( rational + Irrational) = Irrational
∴ (5 + √2)² is irrational
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