Show that the points (at

Asked by hemanttkumarr | 3rd Nov, 2017, 05:49: PM

Expert Answer:

begin mathsize 16px style Equation space of space line space passing space through space left parenthesis at subscript 1 squared comma 2 at subscript 1 right parenthesis space and space open parentheses at subscript 2 squared comma 2 at subscript 2 close parentheses space is
straight y minus 2 at subscript 1 equals fraction numerator 2 at subscript 2 minus 2 at subscript 1 over denominator at subscript 2 squared minus at subscript 1 squared end fraction open parentheses straight x minus at subscript 1 squared close parentheses
on space simplifying space you space get
open parentheses straight t subscript 1 plus straight t subscript 2 close parentheses open parentheses straight y minus 2 at subscript 1 close parentheses equals 2 open parentheses straight x minus at subscript 1 squared close parentheses
According space to space the space given space question space left parenthesis straight a comma 0 right parenthesis space lies space on space the space above space equation space of space line
substitute space straight x equals straight a space and space straight y equals 0 space you space will space get space
straight t subscript 1 straight t subscript 2 equals negative 1 end style

Answered by Sneha shidid | 11th Dec, 2017, 02:23: PM