Browse: Home   /   Quadratic equations (abc-formula)   /   Assignments   /   Solution assignment 04 Quadratic equations (abc-formula)

Solution assignment 04 Quadratic equations (abc-formula)

Return to Assignments Quadratic equations (abc-formula)

Assignment 4

Solve:

3x^2+x-2=0

Solution

Because a=3\neq1 we cannot easily factorize the left-hand side. So we have to apply the abc-formula:

x_{1,2}=\displaystyle\frac{-1\pm\sqrt{1^2-4.3.-2}}{2.3}=\displaystyle\frac{-1\pm5}{6}

The solutions are:

x_1=-1 or x=\displaystyle\frac{2}{3}

Return to Assignments Quadratic equations (abc-formula)

0
Web Design BangladeshWeb Design BangladeshMymensingh