IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => IGCSE/ GCSE => Math => Topic started by: NotAbod on March 26, 2011, 09:36:04 pm

Title: enlargement inverse
Post by: NotAbod on March 26, 2011, 09:36:04 pm
we can find translation's and rotation's inverse
but is there enlargement inverse? or shear and stretch inverse?
Title: Re: enlargement inverse
Post by: astarmathsandphysics on March 27, 2011, 09:55:06 am
Inverse of enlargement scale factor k is enlargement scale factor 1/k. The shape is smaller
Title: Re: enlargement inverse
Post by: NotAbod on March 28, 2011, 02:06:09 pm
Inverse of enlargement scale factor k is enlargement scale factor 1/k. The shape is smaller
thanks  ;D ;D
Title: Re: enlargement inverse
Post by: rainbowtiara24 on May 08, 2011, 06:28:46 am
but isn't there something like if factor is negative then it should be on the other side of center of enlargement ? or in case of stretch / shear in another quadrant ?