Math, asked by mahinpanchaldpsv, 3 days ago

If a + b +c = 0 and a2 + b2 + c2 = 20, find ab + bc + ca.

Answers

Answered by divyasingh016787

1

Answer:

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

ab + bc + ac = --20 / 2 = -10

Step-by-step explanation:

please mark as brainlist

Answered by opmaurya001

0

Answer:

-10.

Step-by-step explanation:

Plz, mark me as brainliest.

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