Question: Please answer everything and show all steps, don't skip anything. Find an equation of the tangent to x2 + 5xy + y2 - 7 =

Please answer everything and show all steps, don't skip anything.

Find an equation of the tangent to x2 + 5xy + y2 - 7 = 0 at (1, 1). Find the first and the second derivative of y = xx 2 - x" Find the second derivative of each function. a. f(x) = x3+x2_1 X b. y = xv2x - 1 c. y = cos2 5x d. f(x) = x cotx For f (x) = V2x + 1, find f"(4). For x3 + y3 = 1, find y" by implicit differentiation

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