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Can You Limit It?

Calculus Level 3

Find the value of the constant $n$ satisfying

$\lim_{x\to 0}\dfrac{(\cos x-1)(\cos x - e^x)}{x^n}\neq 0 .$

1 2 3 4 5 6 None of the above

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Excel in math and science

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by Sravanth Chebrolu

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