Question

If a +b =7 and ab =12, find the value of a^3+b^3+c^3+3abc

Answer 1

Answer:

111

Step-by-step explanation:

(a+b)^³= a^³+b^³+3ab(a+b)

(7)^³=a^³+b^³+3*12*7

a^³+b^³= 343-252= 111

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