Question

if a+b+c=7 and ab+bc+ca=24 then find the value of a²+b²+c²​

Answer 1

Answer:

1

Step-by-step explanation:

(a+b+c)²=a²+b²+c²​+2(ab+bc+ca)

=> (7)²=a²+b²+c²​+2(24)

=>a²+b²+c²​= 49-48 = 1.

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