Question

If the discriminate of the equation 6x2 -bx+ 2 = 0 is 1 then find value of b

Answer 1

Step-by-step explanation:

D = 1

D = ${b}^{2} - 4ac$

${b}^{2} - 4(6)(2) = 1 \\ \\ {b}^{2} = 1 + 4(6)(2) \\ \\ {b}^{2} = 1 + 48 \\ \\ {b}^{2} = 49 \\ \\ \boxed{ b = \pm 7}$