Confusion and Common Sense

Level pending

If f ( x ) {f}({x}) = ∑ i = 1 ∞ 1 x i \sum_{i=1}^{\infty}\frac{1}{x^i} then f ( x ) = 1 / g ( x ) {f}({x})=1/{g}({x}) .Find g ( 75109 ) {g}({75109}) . x>1 or x<-1


The answer is 75108.

Aaryan Vaishya by aaryan vaishya , 14, USA

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Aaryan Vaishya
Oct 18, 2019

Just a/1-r hidden. If the common ratio is equal to the first term, then the equation is r/1-r.Algebraically reduce using the inequalities shown or just try a few values,both ways you will get 1/x-1.G(x)=x-1.75109-1=75108.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...