Question

(4) What should be added to a +2ab+bº to obtain
4ab+b2?​

Answer 1

Answer :

6ab + b3 - a

Explanation:

4ab + b2 - a + 2ab + b⁰

4ab + b2 - a + 2ab + 1

4ab + 2ab + b2 + 1 - a

6ab + b3- a

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Answer 2

Answer:

6ab+b3-a

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