Question

send me the solution if you can
1) 1
2) 0
3) 16
4) not defined

Answer 1

Hola User_______________

Here is Your Answer....!!!!!
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☆Actually welcome to the concept of the Quadratic Identities.....

☆Basically here ...to solve the question ...we have to use the identity ...

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

☆so we get ...as following ....

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Hope it helps u.......☺