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Solve the following equation by factorization: sqrt(3)x^2 + 11x + 6sqrt(3) = 0

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प्रश्न

Solve the following equation by factorization:

`sqrt(3)x^2 + 11x + 6sqrt(3) = 0`

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उत्तर

Given,

⇒ `sqrt(3)x^2 + 11x + 6sqrt(3) = 0`

⇒ `sqrt(3)x^2 + 9x + 2x + 6sqrt(3) = 0`

⇒ `sqrt(3)x(x + 3sqrt(3)) + 2(x + 3sqrt(3)) = 0`

⇒ `(sqrt(3)x + 2)(x + 3sqrt(3)) = 0`

⇒ `(sqrt(3)x + 2) = 0` or `(x + 3sqrt(3)) = 0`   ...[Using zero-product rule]

⇒ `sqrt(3)x = -2` or `x = -3sqrt(3)`

⇒ `x = (-2)/sqrt(3)` or `x = -3sqrt(3)`

Hence, `x = {(-2)/sqrt(3), -3sqrt(3)}`.

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अध्याय 5: Quadratic Equation - EXERCISE 5A [पृष्ठ ५३]

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आर.एस. अग्रवाल Mathematics [English] Class 10 ICSE
अध्याय 5 Quadratic Equation
EXERCISE 5A | Q 31. | पृष्ठ ५३
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