sakeena52 sakeena52

13-06-2020
Mathematics

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Find the value of k for which the quadratic equation 4x2+kx+3=0 has equal roots.

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PollyP52 PollyP52

13-06-2020

Answer:

k = +/-√48

Step-by-step explanation:

4x^2 + kx + 3 = 0

For equal (duplicate) roots the discriminant = 0, so

k^2 - 4*4*3 = 0

k^2 - 48 = 0

k^2 = 48

k = +/-√48

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