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Mathematics, 28.09.2021 01:10 sindy35111
If n`(x)=1/1+x^2, p(x)=tan(x), Then (n•p)`(x)=1, why??
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If n`(x)=1/1+x^2, p(x)=tan(x), Then (n•p)`(x)=1, why??...
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