Question

if a+b+c=1 and ab+bc+ac=1, then the value of a2+b2+c2 is ​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

a² + b² + c²

=> (a + b + c)² - 2(ab + bc + ca)

=> put the value of a + b +c = 1

=> ( 1 )² - 2 × 1

=> 1 - 2

=>. -1

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