Find value of (5+7) whole square
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Step-by-step explanation:
(5+7)²
So First Use Property= (a+b)²=a² + b² + 2ab
→ a=5 , b = 7
•Now putting the values
→ (5)² + (7)² + 2 × 5 ×7
→ 25 + 49 + 70
→ Answer: 144
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