I need help finding the length of the curve =/ x = 5 + 12t^2 y = 8 + 8t^3 .. I keep getting the wrong answer when I integrate.. and the second one is x = 7 cos(t) - cos(7t) y = 7 sin(t)- sin (7t) any help would be great thanks!
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You didn't give any restrictions on the parameter so I'll just let's just say etc. What are you having troubles with exactly? Show us what you've done for the two integrals and we'll point you in the right direction.
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