Question

Using Suitable identity, Evaluate (-28)^3+(9)^3+(19)^3 with Full explanation

Answer 1

Hii friend...

Nice question!!!

Here is ur answer :

Let a = - 28

b = 9

c = 19

a + b + c

= - 28 + 9 + 19

= -28 + 28

= 0

If a + b + c = 0 , then a³ + b³ + c³ = 3abc

(-28)³ + (9)³ + (19)³

= 3 (-28)(9)(19)

= –14364

HOPE IT HELPS YOU...

REGARDS
@sunita

Answer 2

Answer:

Above answer is correct

Step-by-step explanation:

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