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CBSE Class 11-science Answered

1 plus sin x plus sin squared x plus sin cubed x-------------+infinity=4+2 V 3 and 0, then x=?  
Asked by aahnik.mohanty | 22 May, 2019, 10:08: PM
answered-by-expert Expert Answer
begin mathsize 16px style 1 plus sin x plus sin squared x plus sin cubed x plus... plus infinity equals 4 plus 2 square root of 3 space Now comma space 1 plus sinx plus sin squared straight x plus sin cubed straight x plus... plus infinity equals 1 plus sinx left parenthesis 1 plus sinx plus sin squared straight x plus sin cubed straight x plus... plus infinity right parenthesis equals 1 plus sinx left parenthesis 4 plus 2 square root of 3 right parenthesis rightwards double arrow 1 plus sinx left parenthesis 4 plus 2 square root of 3 right parenthesis equals 4 plus 2 square root of 3 rightwards double arrow sinx left parenthesis 4 plus 2 square root of 3 right parenthesis equals 3 plus 2 square root of 3 rightwards double arrow sinx equals fraction numerator 3 plus 2 square root of 3 over denominator 4 plus 2 square root of 3 end fraction rightwards double arrow sinx equals fraction numerator square root of 3 over denominator 2 end fraction rightwards double arrow straight x equals straight pi over 3 comma fraction numerator 2 straight pi over denominator 3 end fraction comma space.... If space 0 less than straight x less than space straight pi over 2 space rightwards double arrow space straight x space equals space straight pi over 3 end style
Answered by Yasmeen Khan | 23 May, 2019, 11:58: AM

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