Question 129

If $$3x^{2}-4x-3=0$$, then the value of x­-1/x is

Solution

Expression : $$3x^{2}-4x-3=0$$

=> $$3x^2 - 3 = 4x$$

On dividing by $$3x$$ on both sides, we get :

=> $$x - \frac{1}{x} = \frac{4}{3}$$


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