Question

(a+2b) (a-2b) by using identity​

Answer 1

Answer:

hi

Step-by-step explanation:

here is your answer

(a^2-b^2) = (a+b)(a-b)

(a+2b) (a-2b) = (a^2-4b^2)

hope it helps :)

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Answer 2

Given: The equation is$(a+2b) (a-2b)$.

We have to solve the above equation.

By using identity, we are solving the above equation.

As we know that, $(a+b)(a-b)=a^{2} -b^{2}$from identities.

We are solving in the following way:

We have,

$(a+2b) (a-2b)$

$=>a^{2} -2b^{2} \\=>a^{2} -4b^{2}$

Hence, the solution will be$a^{2} -4b^{2}$.