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Q8. Show that the given equation has real roots, and hence find its root by quadratic formula
$\sqrt{3x}^{2} + 11x + 6 \sqrt{3 }= 0$

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Answer 1

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√3x2 + 11x + 6√3 = 0

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asked Feb 7, 2019 in Class X Maths by aditya23 (-2,151 points)

√3x2 + 11x + 6√3 = 0

quadratic equation

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answered Feb 7, 2019 by navnit40 (-4,941 points)

√3x2 + 11x + 6√3 = 0

⇒ √3x2 + 9x + 2x + 6√3 = 0

⇒ √3x(x + 3√3) + 2(x + 3√3) = 0

⇒ (x + 3√3)(√3x + 2) = 0

x + 3√3 = 0

or √3x + 2 = 0

⇒ x = -3√3

Or x = - 2/√3 are two roots of the equation.

Answer 2

Q8. Show that the given equation has real roots, and hence find its root by quadratic formula

$\sqrt{3x}^{2} + 11x + 6 \sqrt{3 }= 0$