Compute r''(t).r(t) = (2 cos t)i + (3 sin t)j
A. r''(t) = (-2 cos t)i + (-3 sin t)j
B. r''(t) = (2 cos t)i + (3 sin t)j
C. r''(t) = (-2 sin t)i + (-3 cos t)j
D. r''(t) = (2 sin t)i + (3 cos t)j
Answer: A
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