exam
Maths Puzzle
Numerical Ability
prove that qx^2-3x+q=0 will always have real roots independent of the value of q.
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exam Other Question
f(x)=3x, and g(x)=4x-3, find f[g(5)] and g[f(5)].
solve the inequality:
5(2h-6)-7(h+7)>4h