how do you find the arc length for y = a/2 ( exp (a/2) + exp(-a/2)) from x=0 to x=a? i got stuck at solving the integration ( 1/2 +1/4 exp(2x/a) + 1/4 exp( -2x/a) )^(1/2)..
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Originally Posted by alexandrabel90 how do you find the arc length for y = a/2 ( exp (a/2) + exp(-a/2)) from x=0 to x=a? Mr F says: Where are the x's meant to be in your rule for y? And why is it a/2 here and 2/a in your expression below? i got stuck at solving the integration ( 1/2 +1/4 exp(2x/a) + 1/4 exp( -2x/a) )^(1/2).. Note that .
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