If √(1 – x²) + √(1 – y²) = a (x – y), prove that dy/dx = √(1 – y²)/√(1 – x²).
If y = (tan x)ˣ, then find dy/dx.
Find dy/dx, if (cos x)^y = (cos y)^x.
If yˣ = xʸ, then find dy/dx.
If xʸ = eˣ⁻ʸ, prove that dy/dx = log x / (1 + log x)².
Given that xʸ + yˣ = aᵇ, where a and b are positive constants, find dy/dx.
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