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The length of a curve defined by x=2t, y = 2t, z = t, 1 t5 is O A. 26 B. 21 C. 15/2

$The length of a curve defined by ( x=2 t^{2}, y=2 t^{2}, z=t^{2}, 1 leq t leq 5 ) is A. 26 B. 21 C. ( 15 / 2 ) D. ( 1$

The length of a curve defined by x=2t, y = 2t, z = t, 1 t5 is O A. 26 B. 21 C. 15/2 D. 1/5 OE. 72

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