Question

If the roots of the quadratic 3x2 + kx + 3 = 0 are equal then the value of ‘k’ is

Answer 1

Step-by-step explanation:

on comparing with general form of a quadratic equation ax^2+bx+c=0 we get the values of a, b and c.

since the roots are equal. hence dicriminant equals 0. which is b^2 - 4 ac =0

applying this condition we will get the answer

Answer 2

Answer:

3x²+ kx + 3 = 0

b²- 4ac = 0

k² - 4(3)3 = 0

k² - 36 = 0

k² = 36

k = √36

k = ± 6

So the value of k will be 6 or -6

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