Question

without actully calculating cubes find the value of 28³+(-15)³+(-13)³
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Answer 1

Answer:

16380

Step-by-step explanation:

Let -» a = 28

b -» -15

c -» -13

=> a + b + c = 0

If -» a + b + c = 0. Then a³ + b³ + c³ = 3abc

 → 28)³+ (–15)³ + (-13)³ = 3(28)(-15)(-13) = 16380

→ (28)³+ (–15)³ + (-13)³ = 16380

Answer 2

Answer:

16380 is answer

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