exam
Maths Puzzle
Numerical Ability
I know how to do these I really just need to be refreshed the question I am having trouble with is .5n(n+1)to the second power
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exam Other Question
Solve the equation:
y^2 - 3y - 18 over y^2 - 4 divided by y^2 + 5y + 6 over y - 2
Simplify.
SR of 45 Divided by 10 + 7 Times SR of 5 divides by 10