Math, asked by purvasinghania321, 2 months ago

18. If a+b+c=4-4 then
a3+3+C3=?
O 3a2bc2
O
-2
O 3abc
ОО​

Answers

Answered by pradiptadas2007
2

Answer:

3abc

Step-by-step explanation:

As we know that,

a³+b³+c³-3abc = (a+b+c)(a²+b²+c²-ab-bc-ca)

If (a+b+c) = 0 then,

0 × (a²+b²+c²-ab-bc-ca)

= 0 [anything multiplied with 0 is always 0]

Given that (a+b+c) = 4-4 = 0

So, a³+b³+c³-3abc = 0

or, a³+b³+c³ = 3abc.

Hope it helps you...

Pls mrk me brainliest...

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