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d/dx(4x³ + 2x) =  d/dx (4x³) + d/dx(2x)

                       = 4(3x²) + x

                       = 12x² + x

Suppose you are asked by your teacher to sum all the integers from 1 up to 1000. You might be thinking they must hold some kind of grudge against you. If you try to calculate the sum by adding on each ...

Notation: I use the ^ in the title question to indicated 'to the power of' and I use an asterisk * (or star) to indicate 'multiplied by' in the answer, to avoid confusion with the x term! 

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Finding Roots of Quadratic EquationsWhat is a root to an equation?A root to an equation is a set of value(s) that satisfy the equation and when shown graphically they are the x values at whi...

The total number of digits to the right of the point are known as 'decimal points' whereas significant figures start from the first non-zero number. Note: As si...