यदि x^2 +3x +1 =0 , तो x^3 + 1/x^3 का मान है- – McqOptions

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1.	यदि x^2 +3x +1 =0 , तो x^3 + 1/x^3 का मान है-
A.	10
B.	-18
C.	7
D.	9
Answer» C. 7

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