Math, asked by AkshayPolo2334, 1 year ago

Given a+b+c=6 and aspuare +bspuare +c spuare=20 find ab+bc+ca

Answers

Answered by Anonymous

1

use (a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca)

Answered by Anonymous

0

ᴜsᴇ (ᴀ+ʙ+ᴄ)^2=ᴀ^2+ʙ^2+ᴄ^2+2(ᴀʙ+ʙᴄ+ᴄᴀ)

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