Question

27cube +(-14)cube+(-13)cube

Answer 1

27³ + (- 14)³ + (-13)³
this in the form of a³+ b³ + c³ = (a+b+c)³ -3 (b+c) (c+a) (a+b)
a=27 b=-14 c= -13
 
=(27+(-14)+(-13)³ -3 (-14+-13) (-13 + 27) ( 27 + -14)
=-3 * -27 * 13 * 13
=13689

hope it helps
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