Question:
In the equation (x 1) To the power 2 , how do you get the answer as X to the power 2 2x 1
Answer:
Given, (x + 1)2 = (x + 1)*(x + 1)
= x*x + x*1 + 1*x + 1*1
= x2 + x + x + 1
= x2 + 2x + 1
So, (x + 1)2 = x2 + 2x + 1
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