(28)³+(-15)³+(-13)³,Without actual calculating the cubes, find the value of it.
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Answer:
please solve it like this
the right answer answer is 0
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Answer:
a3+b3+c3 = (a+b+c)(a2+b2+c3-ab-bc-ca)+3abc
Step-by-step explanation:
Just apply this formula
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