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Maths Puzzle
Numerical Ability
(8x+2y)-(5x+4y)
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book Other Question
The value for imports for a small Central American country is believed to be growing according to the function
I=15 log(16t+33)
and the value of exports appears to be growing
If 4aČ-bČ=54, then 4(2a+b)(2a-b)= ?
Thanks.