ssusmanw ssusmanw

24-01-2017
Mathematics

Answered

let 3x^2+kx+4. determine all values of k such that the quadratic equation f(x) =0 has one real root

Verified Answer :

williambusby williambusby

24-01-2017

//I'll use the discriminant rule for this.
b^2 - 4ac = 0 when one real root

Therefore, k^2 - 434= 0
k^2 = 48
k= +-4√3

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