Question

PLS ANSWER IT'S REALLY URGENT!
1.√[a²+b²+c²+2ab+2bc+2ca]

Answer 1

Step-by-step explanation:

$\sqrt{ {a}^{2} + {b}^{2} + {c}^{2} + 2ab + 2bc + 2ca }$

$= \sqrt{ {(a + b + c)}^{2} }$

$= a + b + c$

Answer 2

꧁༺ʰᵉʸᵃ ᵐᵃᵗᵉ ༻꧂

(ᗩ + ᗷ+ ᑕ )²

= ǟ²+ɮ²+ƈ²+2ǟɮ+2ɮƈ+2ƈǟ

❤️ɦօքɛ ɨȶֆ ɦɛʟք