B. If k is any real number, prove or disprove that sinkx 1. lim x-0 kx = 1.

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A: We can find the answer as below.

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A: Answer to given problem is shown below - 

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A: topic - logarithmic functions 

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A: Maclaurin series :    f(x) ≈ ∑k=0∞ fk(0)k! xk = f(0) + f'(0) x + f''(0)2!x2 + f'''(0)3!x3+... du.v.w...

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A: Solution is here

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A: NOTE: Refresh your page if you can't see any equations. .

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A: Explanation of the answer is as follows

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