ଯଦି x = b + c, y = c + a, z = a + b, ତେବେ  (x + y + z)3 – 24xyz କ’ଣ ସମାନ?

1
a3 + b3 + c3
2
2 (a3 + b3 + c3)
3
8 (a3 + b3 + c3)
4
ଉପରୋକ୍ତ ମଧ୍ୟରୁ କଣସିଟି ନୁହେଁ |

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