1.

If x=y+y^2/(2!)+y^3/(3!)+... then show that y=x-x^2/2+x^3/3-x^4/4+….

Answer»

SOLUTION :`x=y+y^2/(2!)+y^3/(3!)=...implies1+x=1+y+y^2/(2!)+y^3/(3!)+...=e^yimpliesy=log_e(1+x)=x-x^2/2+x^3/3-x^4/4+...`


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