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Maths Puzzle
Numerical Ability
I really need help on this one. I need to find the derivative of this equation: f(x)= x to the 4 minus x to the sixth plus cos(2x). Would you please help
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book Other Question
If possible, simplify the ratinoal expression.
x + 3 / x^2 + 6x + 9
How do you solve this?
The lenght of a rectangle is (3x) yards and its width is (x+2) yards. For what value of x will the perimeter of the rectangle be 40 yards?