exam
Maths Puzzle
Numerical Ability
if secA=5/4,verify that 3sinA-4sin3A/4cos3A-3cosA
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exam Other Question
f(x)=5x-1
f(x-h)-f(x)
___________
h
Simplify:
((x^(3/2))y^-3)^1/3
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((x^(1/2))y^-6)^-1
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