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If a and b and c verify a+b+c=1 a And b and c are positif Prouf that ab+ac+bc

If a and b and c verify a+b+c=1   a   And b and c are positif
Prouf that ab+ac+bc

Grade:12th pass

1 Answers

somesh mishra
24 Points
3 years ago
please correct your question.

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