50−8(10.5)250-8\left(10.5\right)^250−8(10.5)2
−2+5+4+5+4+−1+−2+−1-2+5+4+5+4+-1+-2+-1−2+5+4+5+4+−1+−2+−1
dydx=tan2(2x)\frac{dy}{dx}=\tan^2\left(2x\right)dxdy=tan2(2x)
cscx1+cscx−cscx1−cscx=2sec2x\frac{cscx}{1+cscx}-\frac{cscx}{1-cscx}=2sec^2x1+cscxcscx−1−cscxcscx=2sec2x
8(3j)8\left(3j\right)8(3j)
dydx+y−x2−2x=0\frac{dy}{dx}+y-x^2-2x=0dxdy+y−x2−2x=0
5x2−70x+2545x^2-70x+2545x2−70x+254
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