Grade upto college level Discuss with colleagues and IITiansIf limx?0 (cos x + a sin bx)1/x = e2 . Prove that ab = 2. roopeshreddy 12 Years agoGrade upto college level
Sourabh Singh10 Years agoHiiUse the expansion of cosx and sinx .you will get the answer after cancelling terms such that constant part becomes zero.