Question

can someone please check my derivatives?

Answer 1

okay

Answer 2

im done

Answer 3

\[y=Axe ^{x}\cos2x+Bxe ^{x}\sin2x\]

Answer 4

\[y \prime=-2Ae ^{x}(1+x)\sin2x+e ^{x}\cos2x+2Be ^{x}(1+x)\cos2x+e ^{x}\sin2x\]

Answer 5

@dan815
@anteater

Answer 6

i am here sir

Answer 7

thanks!

Answer 8

I simplified it to:\[y ^{1}= e ^{x}[(-2A-2Ax+1)\sin2x+(2B+2Bx+1)\cos2x]\]

Answer 9

\[y \prime*\]