If x+1/x=7 then find the value of x3 +1/x3
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(X+1)/X=7
X+1=7X
6X=1
X=1/6
Now we have to calculate
(3x+1)/3x
==>(3*1/6+1)/(3*1/6)
= (1/2+1)/1/2
= (3/2)/1/2
= 3
X+1=7X
6X=1
X=1/6
Now we have to calculate
(3x+1)/3x
==>(3*1/6+1)/(3*1/6)
= (1/2+1)/1/2
= (3/2)/1/2
= 3
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