Menu Close

Question-35537




Question Number 35537 by Raj Singh last updated on 20/May/18
Answered by tanmay.chaudhury50@gmail.com last updated on 20/May/18
f(x)=y=x^2     f(1)=1^2 =1    and f(2)=2^2 =4  slope m=((f(2)−f(1))/(2−1))=3  let (α,α^2 ) be the point ,slope of tangeny at(α,α^2   {((d(x^2 ))/dx)}_((α,α^2 )) =2α  so 2α=3  α=3/2  so the cooridinate of the required poit is  ((3/2),(9/4))
f(x)=y=x2f(1)=12=1andf(2)=22=4slopem=f(2)f(1)21=3let(α,α2)bethepoint,slopeoftangenyat(α,α2{d(x2)dx}(α,α2)=2αso2α=3α=3/2sothecooridinateoftherequiredpoitis(32,94)

Leave a Reply

Your email address will not be published. Required fields are marked *