Mathematics, 16.08.2020 14:01 Ltksls4177

Can someone help me with this if xy=4 then what is d²y/dx² × d²x/dy²
please read carefully there not the same so they don't equal one

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Can someone help me with this if xy=4 then what is d²y/dx² × d²x/dy²
please read carefully th...

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