मराठी

Solve the following quadratic equation: 9x^2 + 6x + 1 = 0

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प्रश्न

Solve the following quadratic equation:

9x2 + 6x + 1 = 0

बेरीज
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उत्तर

Given:

9x2 + 6x + 1 = 0 

⇒ 9x2 + 3x + 3x + 1 = 0 

⇒ 3x(3x + 1) + 1(3x + 1) = 0 

⇒ (3x + 1) (3x + 1) = 0 

⇒ 3x + 1 = 0 or 3x + 1 = 0 

⇒ `x = (-1)/3` or `x = (-1)/3` 

Hence, `(-1)/3` is the root of the equation 9x2 + 6x + 1 = 0.

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पाठ 4: Quadratic Equations - EXERCISE 4A [पृष्ठ १८३]

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 4 Quadratic Equations
EXERCISE 4A | Q 34. | पृष्ठ १८३
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