여라. (1) f(x, y) = x² + 4y², P(2, 3), Q(2.02, 2.98) (2) f(x, y) = sin (x+y), P(a/2, T/4), %3D Q (67/10, 117/60) (3) S(x, y) = P(2, 2), Q(1.9, 2.1) 1+x+ (4) f(x, y) = In(1 + /x-y), P(9, 3), Q(9.3, 3.2) %3D

Q: Calculate root and error %. Find the root of the equation fx=ln(x)-5+x in the interval [2.5, 3.0]…

A: Consider the given information.

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A: Given: r=21θ+θ We know that ddxxn=nxn-1                                                        ..1

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Q: Compute the derivative using derivative rules.

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A: To find out the derivative of the function.

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A: First derivative:

Q: The derivative of (z) is

A: Solution:To find the derivative of  z¯5Formula:d(xn)=nxn-1