Question

if a+b=12&ab=27 find the value of
$if a + b = 12and \: ab = 27fimd \: the \: value \: of \: a3 + b3$
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Answer 1

Answer:

756

Step-by-step explanation:

a+b=12

$[a+b]^{3}$=$12^{3}$

a3+b3+3ab[a+b]=1728

a3+b3+3{27}[12]=1728

a3+b3=1728-3{27}[12]

a3+b3=756