Find dy/dx of y=x^2 + 2x+1
We differentiate each term individually with respect to x. the way we differentiate powers of x is: x^n goes to nx^(n-1). So x^2 would become 2x, 2x would be just 2 as x^0 is 1 and a constant would just disappear. Therefore, dy/dx=2x+2.
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