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Maths Puzzle
Numerical Ability
Either perform the indicated operation or solve the equation, whichever is appropriate.
4/a^2-1 + 1/2a + 2
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book Other Question
I'm not sure how to get 3 over 5-the square root of 2
Could you help me? thanks!
Given f (x) = 5x^2 - 12x + 3, find f (-2)
A) -41 B) -43 C) 47 D) 49