Question

For what value of k will following quadratic equation have equal roots,
2x^2 +kx + 3

Answer 1

Posting an image.
Comment if it's still not clear.

Answer 2

Hey there!
As we know, General form of quadratic eq. is
ax^2 + bx + c = 0

Here, (in the following question)
a = 2
b = k
c = 3

D = 0 (for equal roots)
b^2 - 4ac = 0

FURTHER COMPLETE SOLUTION IS DONE IN THE ABOVE PIC.

Hope it helped
#EshanSingh1