Question

(a + b + c)²-(a- b + c)²​

Answer 1

Answer:

A^2+b^2+c^2+2ab+2bc+2ca-a^2-b^2-c^2+2ab-2bc+2ca. ... 56063 passengers travels everyday through Hong Kongairport 434730 passengers travels through sebawangairport, 259675 passengers travel through singapo. If a square+b square+c square-ab-bc-ca=0,than prove that a=b=c

Answer 2

Answer:

Step-by-step explanation:

A^2+b^2+c^2+2ab+2bc+2ca-a^2-b^2-c^2+2ab-2bc+2ca. .