Question

discriminant of an equation 6x²+bx-10=0 is 289,find b​

Answer 1

Answer:

DiscriminantΔ=b

2

−4ac

Given:Discriminant =1

⇒b

2

−4ac=1 where a=6,b=b,c=2

⇒b

2

−4×6×2=1

⇒b

2

−48=1

⇒b

2

=1+48=49

∴b=±7

Step-by-step explanation:

May it will help u