In a triangle ABC prove this :"

Dear Student,
Please find below the solution to the asked query:

L.H.S.=1r2+1r12+1r22+1r32=12s2+12s-a2+12s-b2+12s-c2=12 s2+s-a2+s-b2+s-c2=12s2+s2+a2-2as+s2+b2-2bs+s2+c2-2cs=124s2+a2+b2+c2-2sa+b+c=124a+b+c22+a2+b2+c2-2a+b+c2a+b+c=124a+b+c24+a2+b2+c2-a+b+c2=12a+b+c2+a2+b2+c2-a+b+c2=12a2+b2+c2=16a2b2c22a2+b2+c216a2b2c2=16abc42a2+b2+c2a2b2c2=16 R2a2+b2+c2a2b2c2On comparing, we get:k=16 Answer

Hope this information will clear your doubts about this topic.

If you have any doubts just ask here on the ask and answer forum and our experts will try to help you out as soon as possible.

  • 1
What are you looking for?