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p^3+q^3+r^3-3pqr=4. lf a=q+r, b=r+p and ...

`p^3+q^3+r^3-3pqr=4`. lf a=q+r, b=r+p and c=p+q, then what is the value of `a^3 + b^3 + c^3 -3abc`?
`p^3+q^3+r^3-3pqr=4` है। यदि a=q+r,b=r+p तथा c=p+q, है, तो `a^3 + b^3 + c^3 -3abc` का मान क्या है?

A

A)4

B

B)8

C

C)2

D

D)12

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