exam
Maths Puzzle
Numerical Ability
-4x^4y^2 square root by(28x^3y^5)
Do not assume variables represents nonnegative numbers.
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exam Other Question
find an equation of the line that contains the point (1,0) and is perpendicular to 2x + y = -4.
(the square root of x + 3 times the square root of y)(the square root of x - 3 times the square root of y)=