Coupon Accepted Successfully!


Cubic Equations

The equations of the form ax3 + bx2 + cx + d = 0, where x is a variable and a, b, c and d are constants with a  0 are called cubic equations or equations of degree three.


A cubic equation generally has three roots.


Consider a cubic equation ax3 + bx2 + cx + d = 0.


Let Description: 37839.pngbe its roots. Then,

Description: 37833.png 

Description: 37827.png 

Description: 37821.png 

Find the sum and product of the roots of the equation 4x 3 + 7x 2 – 2 x = 3.
From the given equation: a = 4, b = 7, c = –2 and d = –3
Sum of roots Description: 37815.png 
Product of roots Description: 37809.png

Test Your Skills Now!
Take a Quiz now
Reviewer Name