Need help figuring this out.
int (1/(1+u^2) du = arc tan u + c
Therefore int (4/(1+x^2) dx = 4(arc tan x) evaluated from x = -1 to 0.
I hope this helps.
Kevin
Need help figuring this out.
int (1/(1+u^2) du = arc tan u + c
Therefore int (4/(1+x^2) dx = 4(arc tan x) evaluated from x = -1 to 0.
I hope this helps.
Kevin
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