exam
Maths Puzzle
Numerical Ability
separate 72 into two parts, one of which shall be 1/3 of the other
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exam Other Question
Simplify:
a) (3/4)^-2 +(2/5)^0 -(4/3)^2
b) (x^-1 + y^-2)^-2
express (3+H)/(1+2H) in the form a+bH where a and b are real numbers.
i assume i have to get rid of the denominator, but its not an equation just an expression and I am awful with