exam
Maths Puzzle
Numerical Ability
simplify each expression 3k -4
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exam Other Question
Solve the equation
x^3=4x
Thanks!
multiply z^2-z-6/z^2-2z-8 × z^2+7z+12/z^2-9
a. z+4/z+2
b. z+3/z+2
c. z-4/z+4
d. z+4/z-4