exam
Maths Puzzle
Numerical Ability
Use elementary row operations to write the matrix in echelon form
2 4 2 6
-2 1 3 4
3 2 1 5
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exam Other Question
find the x-intercepts.
Y= x^2+ x - 6
(-5w^2x^3y)(-wxz^3)(3vxy^2)(-4wz^3) Simplify.