exam
Maths Puzzle
Numerical Ability
Add 5y-4and 2y^2-8y
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exam Other Question
Solve: (2x^2 + 4x)/(x^2+4x-12) + (3x^2-2)/(x^2+2x-24) = (3x^3-4x)/(x^2-x-12)
in need of help, solve the system:
{x^2-100y^2=100
{x^2+ y^2=100.
thanks for your help!!!