a+b =7 and ab = 12 , find a power 3 + b power 3
I will give u 10 points tell the ans
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1 thought on “a+b =7 and ab = 12 , find a power 3 + b power 3 <br />I will give u 10 points tell the ans<br />​”

1. a+b)2=a2+b2+2ab

   72=a2+b2+2(12)

   a2+b2=49−24=25

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