Question

without actually calculating the cubes, find the values of:
(1) (27)3 + (-17)3 + (-10)3

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Answer 1

Answer:

13770

Step-by-step explanation:

=(27)3-(17)3-(10)3

using (a+b)3 =a3+b3+3ab(a+b)

=(27)3-(17+10)3+3×17×10(17+10)

=13770