Q. Find dxdy for the given function.dy=□=x2−csc(x)+5
Identify Function: Identify the function to differentiate.We are given the function y=x2−csc(x)+5 and we need to find its derivative with respect to x.
Apply Sum Rule: Apply the sum rule for differentiation.The sum rule states that the derivative of a sum of functions is the sum of their derivatives. Therefore, we can differentiate each term of y separately.
Differentiate x2: Differentiate the first term, x2, with respect to x. Using the power rule, which states that the derivative of xn with respect to x is n⋅x(n−1), we find that the derivative of x2 is 2⋅x(2−1)=2x.
Differentiate −csc(x): Differentiate the second term, −csc(x), with respect to x. The derivative of csc(x) is −csc(x)cot(x), so the derivative of −csc(x) is csc(x)cot(x).
Differentiate 5: Differentiate the third term, 5, with respect to x. The derivative of a constant is 0, so the derivative of 5 with respect to x is 0.
Combine Derivatives: Combine the derivatives of the individual terms.The derivative of y with respect to x is the sum of the derivatives of the individual terms, which is 2x+csc(x)cot(x)+0.
Simplify Derivative: Simplify the derivative.Since the derivative of the constant term is 0, it does not contribute to the final expression. The simplified derivative of y with respect to x is dxdy=2x+csc(x)cot(x).
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