Question

evaluate,if a=2,b=1 and c=10
(c+b)²​

Answer 1

Answer:

(c+b)^2

(10+1)^2

(11)^2

121..

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Answer 2

Answer:

121

$(c + b) ^{2} = c ^{2} + b {}^{2} + 2cb$

100+1+2×10×1

100+1+20

120+1

121