exam
Maths Puzzle
Numerical Ability
Find the slope of the line passing through the points (4,0) and (4,5)
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solve:
18a^3-54a^2+36a
What is the image of x^2+y^2=1 under the mapping rule (x,y)> (3x+2,3y-5)? I got [1/3(x-2)]^2+[1/3(y+5)]^2=1 ?????