যদি a+b+c=0 হয়,তবে ,a³+b³+c³ এর মান কত?

B 1

C 3abc

D abc

Solution

Correct Answer: Option C

দেওয়া আছে ,
a+b+c=0
প্রদত্ত রাশি =a³+b³+c³
                =a³+b³+c³ -3abc+3abc
                =1/2(a+b+c){(a-b)²+(b-c)²+(c-a)²}+3abc
                =0+3abc
                =3abc

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