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Question Number 3291 by Rasheed Soomro last updated on 09/Dec/15

A c u r v e i s d e f i n e d b y f (x) . W h a t i s t h e l e n g t h

o f c u r v e f r o m x = a t o x = b ?

Answered by 123456 last updated on 09/Dec/15

if f is differentiable

\underset{a}{\int^{b}} \sqrt{1 + {(\frac{d f}{d x})}^{2}} d x

Commented by Rasheed Soomro last updated on 09/Dec/15

TH α n K^{S}!