If a + b = 12 and ab=27 . Then Find a^3+b^3
KshitijBhardwaj:
756 is answer
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the answer is 12a²-324+12b²
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(a+b)^3=a^3+b^3+3ab(a+b)
Substitute given values
12^3=a^3+b^3+3(27)(12)
1728=a^3+b^3+972
a^3+b^3=1728-972
a^3+b^3=756
Substitute given values
12^3=a^3+b^3+3(27)(12)
1728=a^3+b^3+972
a^3+b^3=1728-972
a^3+b^3=756
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