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OpenStudy (frenchy):
as limit x--> 0 ... (sin^-1 (2x) / x ) the answer is 2.. how? (L'Hopitals rule)
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OpenStudy (frenchy):
i thought the answer was 0
OpenStudy (wasiqss):
it will be proven by identity sinx/x=1
OpenStudy (frenchy):
what?
OpenStudy (cwrw238):
derivative of numerator = 2 /sqrt(1-4x^2) ................denominator = 1 by lhopitals rule limit is 2/1 = 2
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