Hi guys, I need a little help with this limit here: lim x->infinity of: sqrt(x^2 + x) - sqrt(x^2 - 2x) cheers !
Follow Math Help Forum on Facebook and Google+
Originally Posted by WeeG Hi guys, I need a little help with this limit here: lim x->infinity of: sqrt(x^2 + x) - sqrt(x^2 - 2x) cheers ! "Rationalize the numerator"- that is, multiply both numerator and denominator by to get
done it, cheers !
Or we can solve it by mean value theorem , Let we have where Take reciporcal and square root ,
View Tag Cloud