without calcucating find the cubes of14^3+13^3 -27^3
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i don't I think this is higher class portion
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14^3+13^3-27^3
=(14+13)^3-3.14.13(14+13)-27^3
=27^3-3.13.14.27-27^3
= -3.13.14.27
= -14742
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