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If a + b + c = 5 ,a^2+b^2+c^2=27 and a^3...

If a + b + c = 5 ,`a^2+b^2+c^2=27` and `a^3+b^3+c^3=125`, then the value of 4abc is:
यदि a + b + c = 5 ,`a^2+b^2+c^2=27` और `a^3+b^3+c^3=125` है, तो 4abc का मान ज्ञात करें |

A

`-20`

B

`-15`

C

15

D

20

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A
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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?

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