Math, asked by Saniyagaff, 6 months ago

find the value of ab + bc + ca if , a + b + c = 15 and a² + b² + c² = 77

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Answered by anshikajaisu

4

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this is answer

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may it will be help yoy

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Answered by neerajbansal00123

0

Step-by-step explanation:

here is your answer

hope it helps you

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