exam
Maths Puzzle
Numerical Ability
decide whether lines p1 and p2 are perpendicular:
line p1: x + 8y= -4
line p2: 4x - 2y = 10
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exam Other Question
(x - 4)2 + y2 = 25
Find the x- and y-intercepts of the graph of the equation
Simplify : [(3+i)x^2-ix+4+1i]-[(-2+3i)x^2+(1-2i)x-3]