Upon multiplication by -3x" and using the substitution 2 = x3, dz = - 3x-4dx, the Bernoulli's DE -x cot y= xªcsc²y reduces to dz – 3z cot y=3csc²y dy A + 3z cot y = - 3csc²y dy B dz – 3z cot y= - 3csc?y dy dz + 3z cot y= 3csc?y dy

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A: Here I am attaching image so that you understand each and every step.

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