exam
Maths Puzzle
Numerical Ability
y = sqrt(x+1)^2 - sqrt(x-1)^2
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exam Other Question
still having problems helping my son, please help. the problem is 3/2d2 + 4/3d
the examples in the book are not very clear to myself or my son
Thankyou theodore uzonyi
PLEASE HELP ME SIMPLIFY THIS POLYNOMIAL
49-(X+2)^2