simplify by using identies
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Hey Buddy! This Is Your Solution ↓↓↓↓↓
→ (4.9)²
→ (4 + 0.9)² [ (a+b)² = a² + b² + 2ab ]
→ [(4)² + (0.9)² + 2•(4 × 0.9)
→ [ 16 + 0.81 + 7.2]
→ 24.01
→ (4.9)²
→ (4 + 0.9)² [ (a+b)² = a² + b² + 2ab ]
→ [(4)² + (0.9)² + 2•(4 × 0.9)
→ [ 16 + 0.81 + 7.2]
→ 24.01
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