Solve for x

Asked by  | 17th Jun, 2008, 09:03: PM

Expert Answer:

Follow the following steps to solve the question:

Write x2 + 1/x2 as (x +1/x)2 - 2 and substitute in the equation

Then simlify the equation to get the following form:

2(x - 1/x)2 - 9(x - 1/x) -4 =0

Solve this equation for (x - 1/x) assuming it as a single variable

Solve the equation obtained from solving the above equation to get the value of x. 

Answered by  | 18th Jun, 2008, 09:54: AM

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