Question

Check whether the following equations has real roots, 9x2

-15x+6=0 and if it has, find them.​

Answer 1

here a =9 b =-15 c =6

d=b2 -4ac

d= (-15)2 -4*9*6

= 225 -216

= 9

since d is greater than zero

it has real roots

roots = 15+-3/18