If a^2+b^2=13 and ab =6 find the value of
(i)(2a+2b)
(ii)(2a-2b)

I)

II)

Step-by-step explanation:

We are given that:

I)

Recall the perfect square trinomial pattern:

Rewrite:

Substitute:

Evaluate:

Take the square root of both sides:

Hence:

Therefore:

II)

Likewise:

Substitute:

Solve:

In conclusion:

the square root of what number? if you add that, then someone will probably answer the question.

b.my answer is b.

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