Mathematics

The solution set for the quadratic equation 3x2 - 18x = 0 is:

  1. {6, 6}

  2. {0, -6}

  3. {0, 6}

  4. none of these

Quadratic Equations

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Answer

Given,

⇒ 3x2 - 18x = 0

⇒ 3x(x - 6) = 0

⇒ 3x = 0 or (x - 6) = 0      [Using Zero-product rule]

⇒ x = 0 or x = 6.

Hence, option 3 is the correct option.

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