Find the roots of equation:
$15 x^{2} - 2 x - 1 = 0$

\frac{- 1}{3}, \frac{- 1}{5}

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\frac{1}{3}, \frac{1}{5}

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\frac{1}{3}, \frac{- 1}{5}

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Solution

The correct option is D $\frac{1}{3}, \frac{- 1}{5}$
$15 x^{2} - 2 x - 1 = 0, 15 x^{2} + 3 x - 5 x - 1 = 0$
$(3 x - 1) (5 x + 1) = 0$
$x = \frac{1}{3}, x = \frac{- 1}{5}$

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