√99以上 2(ab bc ca) formula 220582-A^2+b^2+c^2-ab-bc-ca formula
A B C 3abc A B C A B C Ab Ca 1 2 A B C A B B C C A Youtube The (a b c) 2 formula is one of the important algebraic identities It is read as a minus b minus c whole square The (a b c) 2 formula is expressed as (a b c) 2 = a 2 b 2 c 2 2ab A plus B plus C whole Square formula is an algebraic identity which is used to find the sum of squares of the three numbers The expression of this A plus B plus C ka whole square A^2+b^2+c^2-ab-bc-ca formula