Question

l³ - b³, where ax²+ bx + cx is 3x² - 6x-5 = 0​

Answer 1

Answer:

from the above equation

we take

a = 3

b = -6

c = -4

to find discriminant

D = b^2 - 4ac

put a,b,c in formula

D = -6 ^2 -4(3)(-4)

= 36 - (-48)

D = 36 + 48 = 84

nature of root is real and unequal

re