Your answer looks good, if you meant
√(1 + 81x^4)
The length of a curve for 0 <= x <= 20 is given by the integral from 0 to 20 of √(1 + 84x^4) dx. If this curve contains the point (1,11), what is the equation of the curve?
My answer is 3x^3 + 8.
1 answer
8 answers