please any body help me
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For #3, I'd try the ratio test. It works well with factorials and powers. For #1, can you find the derivative of ?. Try logarithmic differentiation. I'll use x instead of theta for the sake of typing. Differentiate: Remember,
You can also use a useful rule. where and is some function of "x" then, When used with your problem gives the same result as galactus said.
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