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Mathematics

The value of the discriminant of the equation, 3x2 = - 11x - 10, is:

  1. 1

  2. 0

  3. 4

  4. 9

Quadratic Equations

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Answer

Given,

⇒ 3x2 = - 11x - 10

⇒ 3x2 + 11x + 10 = 0

Comparing 3x2 + 11x + 10 = 0 with ax2 + bx + c = 0 we get,

a = 3, b = 11 and c = 10.

We know that,

⇒ D = b2 - 4ac

⇒ D = (11)2 - 4 × 3 × 10

⇒ D = 121 - 120

⇒ D = 1.

Hence, option 1 is the correct option.

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