Question

discriminent of quadratic equation 5 x square + 5 x + 6 is equal to zero is -1 then find the value of a​

Answer 1

Answer:

Given,

Discriminant = -1

b = 5 ; c = 6; a = ?

we know that,

D = b^2 - 4ac

-1 = 5^2 - 4 a (6)

-1 = 25 - 24a

24a = 25+1

24a = 26

a = 26/24

a = 13/12