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Physics
Physics
Problem
In one or two sentences, explain how dimensional analysis shows that the integral
∫
a
b
1
+
(
d
y
d
x
)
2
d
x
\displaystyle \int_{a}^{b}\!\sqrt{1+\left(\dfrac{dy}{dx}\right)^{2}}\,dx
∫
a
b
1
+
(
d
x
d
y
)
2
d
x
represents a length.
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