book Maths Puzzle Numerical Ability

solve each system

4x+8y+z=2
x+7y-3z=-14
2x-3y+2z=23

Read Solution (Total 0)

book Other Question

Find (a) the discriminant, (b) the number of solutions and (c) the nature of the solutions for 5x^2-7X-4=0 Solve each system of equations using matrices. Use Gaussian-Jordan elimination.

x - 2y + 3z = 9
-x + 3y = -4
2x - 5y + 5z = 17

and

x - y + 3z = 0
x + 2y