Sunday, 15 August 2021

The number of ways one can express 22335577 as a product of two numbers a and b, where (a,b)=1 and b>a>1, is
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Define f:R→R by \[f(x)= \begin{cases}(1-\cos x) \sin \left(\frac{1}{x}\right), & x \neq 0 \ 0, ...