Q:- cos -1 (x) + cos -1 (2x)+ Π =0 ,,find the number of real solution(s)

Q:- cos-1(x) + cos-1(2x)+ Π =0 ,,find the number of real solution(s)


1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear Tapasranjan

        cos-1(x) >0

so   cos-1(x) + cos-1(2x)+ Π >0

so no solution for  given equation

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