402 4.6? te 2:50 and ab the tes :47 find at a tilte – InterviewSolution

1.	402 4.6? te 2:50 and ab the tes :47 find at a tilte
Answer» ab+bc+ca=47hence2(ab+bc+ca)=247=94hence(a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca)hence(a+b+c)^2=50+94=144hencea+b+c=12

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