phy1020.DVI

d

dx

exDex (E.12)

d

dx

lnxD

1

x

(E.13)

d

dx

axDaxlna (E.14)

d

dx

logaxD

1

xlna

(E.15)

d

dx

sinhxDcoshx (E.16)

d

dx

coshxDsinhx (E.17)

d
dx
tanhxDsech^2 x (E.18)