Question

Expand the following:
$(1 + a + b)^{2}$
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Answer 1

Answer:

See this attachment ✌️✌️✌️

Step-by-step explanation:

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Answer 2

Hello,

here is your answer⬇️⬇️

This is the form of

(a + b + c)² = a² + b² + c² + 2(ab) + 2(bc) + 2(ca)

Therefore, the expansion is

${(1 + a + b)}^{2} =$

${1}^{2} + {a}^{2} + {b}^{2} + 2(1a) + 2(ab) + 2(b1)$