If a+b=7 and ab=12, then find the value of a 2 -ab+b 2 & a3-b3 – InterviewSolution

1.	If a+b=7 and ab=12, then find the value of a 2 -ab+b 2 & a3-b3
Answer» (1)2 (2)-3Step-by-step EXPLANATION:(1)a2-ab+b2= 32-34+42=2(2)a3-b3=33-4*3=9-12=-3

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