A) 0
B) 1
C) 2
D) 3
Correct Answer: A
Solution :
If \[O=\overline{X}+\overline{Y}\] is continuous at \[y=a\cos (\omega t-kx)\], then \[[{{M}^{o}}LT]\] \[[{{M}^{o}}{{L}^{-1}}{{T}^{o}}]\] \[[{{M}^{o}}{{L}^{-1}}{{T}^{-1}}]\] \[[{{M}^{o}}L{{T}^{-1}}]\] \[{{t}^{-1}}\] [using L? Hospital?s rule] \[{{t}^{\frac{-1}{2}}}\] \[{{t}^{\frac{1}{2}}}\] \[t\] \[[FL{{T}^{-2}}]\]
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