If `x^3f(x)=sqrt(1+cos2x)+|f(x)|, (-3pi)/4 ltx lt(-pi)/2` and `f(x)=(alphacosx)/(1+x^3)` , then...
434 views · Published 12 October 2018 · 2:58 · Indexed 21 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `x^3f(x)=sqrt(1+cos2x)+|f(x)|, (-3pi)/4 ltx lt(-pi)/2` and `f(x)=(alphacosx)/(1+x^3)` , then the value of `alpha` is
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