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Maths Puzzle
Numerical Ability
Show that the points(5,7), (3,9) and (6,8) are the vertices of a right triangle.
can use distance formula or slope.
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book Other Question
using -1 as a factor (divide)
(x^2-5x-14)/(4-x^2)
thanx
Could you please help me solve these problems..
x+7y=21
y=1/4x+2
y=-2/3x+4