Question

find d/dx when y =x^2cosx​

Answer 1

Step-by-step explanation:

y = x2(cos(x)) therefore we will need to use the product rule,

dy/dx = u dv/dx + v du/dx

where u = x2 and v = cos(x)

du/dx = 2x and dv/dx = - sin(x), (don't forget the negative symbol when differentiating cosine)

dy/dx = x2(- sin(x)) + cos(x)(2x)

dy/dx = 2x(cos(x)) - x2(sin(x))

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Answer 2

Answer:

hope helps you.........