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Find the value of k for which the quadratic equation 3x2 + kx + 3 = 0 has real and equal roots

Posted by Unknown Unknown 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 4 years, 6 months ago

For real and equal roots, D = b^2 - 4ac = 0. (for p (x) = ax^2 + bx + c) Therefore, k^2 = 3 * 3 * 4 = 36. k = √36 = 6.//

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CBSE > Class 10 > Mathematics