Question

If the discriminate of the equation kx²-3√2x+4√2=0 is 14, then find the value of k​

Answer 1

D=b²-4ac

14 = (-3√2)² -4×k×4√2

14 = 18 -4×k×4√2

-4= - 16√2 k

k= -4/-16√2 = 1 /4√2