A) 8
B) -4
C) 4
D) \[4\sqrt{2}\]
Correct Answer: D
Solution :
\[x=4\text{ }cos\text{ }\pi t+4\text{ }sin\text{ }\pi t\] \[A=\sqrt{{{4}^{2}}+{{4}^{2}}}\,\,=\,\,4\sqrt{2}\]You need to login to perform this action.
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