What the formula
of (1+a+b)²
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0
Answer:
1+a^2+b^2+2a+2ab+2b
Answered by
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Answer:
Step-by-step explanation:
→ (a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ca
→ (1 + a + b)² = (1)² + (a)² + (b)² + 2(1)(a) + 2(a)(b) + 2(b)(1)
→ (1 + a + b)² = 1 + a² + b² + 2a + 2ab + 2b
⇒ Formula is (a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ca
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