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A and B toss a coin each alternatively.The first person to toss 5 heads wins.Find the chances of A winning if he starts the game? ...
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SOLVE dy/dx=1/(x^2+y^2) ...
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\hspace{-16}\bf{(1)\;\;\int \left(\frac{x^2-1}{x^2+1}\right).\frac{1}{\sqrt{x^4+1}}dx}$\\\\\\ $\bf{(2)\;\;\int \left(\frac{x^2+1}{x^2-1}\right).\frac{1}{\sqrt{x^4+1}}dx}$\\\\\\ $\bf{(3)\;\;\int \frac{\sqrt{x^4+1}}{x^4-1}dx}$\ ...
