Question

(a-b) _____=a^2- 2ab +b^2​

Answer 1

Answer:

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Answer 2

Answer:

The answer for 1) (a-b) and 2) (a-b)

Step-by-step explanation:

We have been given here that we need to calculate the correct term which is to be multiplied with (a-b) to get the quadratic polynomial in the RHS. Now we have as follows:

We know the identity,

$(a-b)^{2} = a^{2} -2ab + b^{2}$

Therefore we have,

$(a-b)(a-b) = a^{2} -2ab + b^{2}$ is the required answer.

In the next part we have another identity which is as below:

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

Which is the required answer.