Question

If discriminant of equation
${6x}^{2} - kx + 2 = 0$
is 1 then
k = ....
(+-7, +-√7 , +-3)​

Answer 1

Answer:

D=b^2-4ac

D=k^2-4×6×2=1

k^2-48=1

k=+-7

Step-by-step explanation:

bcz k^2=49

k=+-7

Answer 2

Answer:

k=+-7

Step-by-step explanation:

D = b²-4ac

D= k²-4×6×2=1

k²-48=1

k²=49

k=+-7

Solved