Question

write the square of root 2 + 1 what happened​

Answer 1

HeRe Is Your Ans ⤵

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Identity :-

(A + B)² = A² + B² + 2AB

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➡(√2 + 1)²

➡(√2)² + (1)² + 2 × √2 × 1

➡2 + 1 + 2√2

➡3 + 2√2

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