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(d)/(dx)(x^(3)sin(x))=

ddx(x3sin(x))= \frac{d}{d x}\left(x^{3} \sin (x)\right)=

Full solution

Q. ddx(x3sin(x))= \frac{d}{d x}\left(x^{3} \sin (x)\right)=
  1. Apply product rule: Use the product rule for differentiation, which states that (uv)=uv+uv (uv)' = u'v + uv' , where u=x3 u = x^3 and v=sin(x) v = \sin(x) .
  2. Differentiate uu: Differentiate u=x3u = x^3 to get u=3x2u' = 3x^2.
  3. Differentiate vv: Differentiate v=sin(x)v = \sin(x) to get v=cos(x)v' = \cos(x).
  4. Apply product rule: Now apply the product rule: x3sin(x)x^3\sin(x)' = x3x^3'\sin(x) + x^33sin(x)\sin(x)'.
  5. Substitute derivatives: Substitute the derivatives uu' and vv' into the equation: (x3sin(x))=3x2sin(x)+x3cos(x)(x^3\sin(x))' = 3x^2\sin(x) + x^3\cos(x).
  6. Final answer: So the final answer is 3x2sin(x)+x3cos(x)3x^2\sin(x) + x^3\cos(x).