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Comparing with ............................. Now where
Comparing we get f(x) = 2x +3 , a = 1, b = 3 f(a+2h) = f(1+2h) = 2(1+2h)+3 = 5+4h ... ... ... ... ... ... Now,
Evaluate as the limit of a sum.
Comparing Now where n h = b - a Put a = 1, b = 2
Comparing Now
Comparing Now, where n h = b - a = 3 - 1 = 2
we get
as the limit of sum.
with 
as the limit of a sum.
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as the limit of a sum.
