Question

9. Using the identity (a + b)2 = a2 + 2ab + b^2
find the value of (107)2​

Answer 1

Answer:

11449

Step-by-step explanation:

first split 107 in two parts to make it easy take 100&7

=(100+7)^2

using identity (a+b)^2=a^2+2ab+b^2

=(100)^2+2(100)(7)+(7)^2

=10000+1400+49

=11449

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