19 Feb 2022

sqrt(ab)-sqrt(bc)+sqrt(cd)=sqrt((a-b+c)(b-c+d)) then prove a/p=b/q=c/r

 

sqrt(ab)-sqrt(bc)+sqrt(cd)=sqrt((a-b+c)(b-c+d)) then prove a/p=b/q=c/r



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Find angle theta? Very good math