Question

If 3 + 5 – 8 = 0, then the value of (3)³ + (5)³– (8)³ is​

Answer 1

Given : 3 + 5 + (-8) = 0.

Then, 33 + 53 + (-8)3 = ?

Using, identity... If a + b + c = 0, then a3 + b3 + c3 = 3abc Let a = 3, b = 5 and c = -8.

Here, a + b + c = 3 + 5 + (-8) = 0. Then, a3 + b3 + c3 = 3abc = 3 x 3 x 5 x -8 = 9 x -40 = -360

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Answer 2

Answer:

-30

Step-by-step explanation:

9+25-64

=-30

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