exam
Maths Puzzle
Numerical Ability
(rs) radical sign
(rs)3*(rs)5
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exam Other Question
please help
a over a+2 + 5 over a
over
a over 2a+4 + 1 over 3a
can't figure how they got 6a^2+30a+60 over 3a^2+2a+4
If f(x)=2(3^x-2),what is the value of f(2)?