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If a + b + c = 7 and a^3+b^3+c^3-3abc =1...

If a + b + c = 7 and `a^3+b^3+c^3-3abc =175`, then what is the value of (ab + bc + ca) ?
यदि a + b + c = 7 और `a^3+b^3+c^3-3abc =175`, तो (ab + bc + ca) का मान क्या होगा?

A

7

B

8

C

6

D

9

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