Solve
3/(x-1)++1/(x-3)=4/(x-2)
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Step-by-step explanation:
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Answer:
54
Step-by-step explanation:
x + 1/x = 4 , squaring both sides we get x^2 + 1/x^2= 14, Similarly taking the power of 3 on both sides we get x^3 + 1/x^3 +3(x + 1/x) = 64 which implies x^3 + 1/x^3 = 52.
Now adding up the above two equations, we get
x^2 + 1/x^2 +x^3 + 1/x^3 = 66
it is given that x^2 + 1/x^3 =12 hence substituting this value in the above equation gives the answer of the question
i.e - x^3 + 1/x^2 + 12 = 66 which implies that x^3 + 1/x^2 = 54.
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