Question

x+1/x=17/4find the value ofx^2-1/x^2​

Answer 1

$\frac{x + 1}{x} = \frac{17}{4}$

$4x + 4 = 17x$

$17x - 4x = 4$

$13x = 4$

$x = \frac{4}{13}$

$\frac{x {}^{2} - 1 }{x {}^{2} } = \frac{( \frac{4}{13} ) {}^{2} - 1}{( \frac{4}{13}) {}^{2} } = \frac{ - 153}{16}$

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