A)
Y=x+x1
dxdy=2x1+23x1
B)
Y= x2+π2+xπ
dxdy=2x+πxπ−1
C)
Y=cosx−1sinx
dxdy=(cosx−1)2cosx×cosx−(sinx−1)(−sinx)
dxdy=(cosx−1)2cos2x+sin2x−sinx
dxdy=(cosx−1)21−sinx
D)
Y=x2secx
dxdy=2×x×secx+secx×tanx×x2
=xsecx(xtanx+2)
E)
Y=ex+21
dxdy=(ex+2)2ex+2×0+1×ex=(ex+2)2ex
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