Are the arc length formulas for parametric and standard equations valid for lines that go beneath the x-axis? I'm asking this because I know definite integrals consider anything below the x-axis as opposite to over the x-axis. Cheers.
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Are the arc length formulas for parametric and standard equations valid for lines that go beneath the x-axis? I'm asking this because I know definite integrals consider anything below the x-axis as opposite to over the x-axis. Cheers.
relationship of the curve to the x-axis doesn't matter.
Ok, then. Thanks. (Giggle)