exam
Maths Puzzle
Numerical Ability
Express using a positive exponent.
1/y^-7 This is supposed to look like a fraction with a negative exponent.
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exam Other Question
Find the center and radius by completing the square!
x^2+y^2-4ax-6ay+4a=0
what is domain of this
a)2x
b)2 / (x(x+3)squared 2)