Question

If a+b-10,a-b-2find 2( a*a+b*b)
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Answer 1

Answer:

a3+b3=(a+b)(a2+b2−ab)

=(10)(a+b)2−2ab−ab)

=(10)((10)2−3(2))

=10(100−6)

=10(94)=940  

Answer 2

Step-by-step explanation:

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