Math, asked by seeratjahan2704, 4 months ago

If a²+b²c²=50 and ab+bc+ca=47 find a+b+c

Answers

Answered by Parvathy11105

13

Answer:

12

Step-by-step explanation:

(a+b+c)² = a²+ b² + c² + 2ab + 2bc + 2ac

= 50+2(ab + bc + ac)

= 50+2(47)

= 50+94

= 144

therefore a+b+c = 12

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