1.

1. If x + 1 /x= 5, find the value of x^3+1/x^3 ​

Answer»

Answer:

110

Step-by-step EXPLANATION:

x+1/x=5

(x+1/x)³=125

x³+1/x³+3×(x×1/x)(x+1/x)=125

x³+1/x³=110



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