find the value of (3√2+√5)² by using proper Identity
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☃️ (3√2+√5)²
→ (3√2)² + 5² + 2 × 3√2 × 5
→ 18 + 25 + 30√2
→ 43 + 20√2
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Answer:
23 + 6√10
Step-by-step explanation:
(a ± b)² = a² ± 2ab + b²
(3√2 + √5)² = (3√2)² + 2(3√2)(√5) + (√5)² = 18 + 6√10 + 5 = 23 + 6√10
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