What is the value of (28)³ + (-15)³ + (-13)³?

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(28)³ + (- 15)³ + (- 13)³ ന്റെ വില എത്ര ആയിരിക്കും?

A16830

B-16830

C16380

D-16380

Answer:

a³+b³+c³ = (a+b+c)(a²+b²+c²-ab-ac-bc) + 3abc (28 + (-15) + (-13)) = 0 (28)³ + (- 15)³ + (- 13)³ = (0)(a²+b²+c²-ab-ac-bc) + 3 × 28 × -15 × -13 = 16380

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