integral of e^(2-3x) with limit 0 to 1 using limit of sums
identify a =0 , b=1
nh = b-a = 1
f(x) = e^(2-3x)
find f(a) = f(0)
f(a+h)=f(h)
f(a+2h) = f[2h]
till the pattern can be identified,
f(a + (n-1) h ) = f[(n-1) h] etc
simplify using properties of sum of n terms of a GP.
and use the limit [(e^h) -1] / h tends to 1 as h tends to 0
formulae on integration
PAGE 1 BASIC INTEGRATION
PAGE 2 INTEGRATION BY SUBSTITUTION
PAGE 3 INTEGRATION BY COMPLETION OF SQUARES
PAGE 4 INTEGRATION BY PARTS
PAGE 5 INTEGRATION BY MANIPULATION OF NUMERATOR IN TERMS OF DENOMINATOR
PAGE 6 INTEGRATION USING PARTIAL FRACTIONS
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