Jawaban : Diketahui : = 4 ; = 2 = 3 ; = −6 / Ditanya : a. = ⋯ ? = ⋯ ? ′ ′ b. ⅀ = ⋯ ? ⅀ ℎ = ⋯ ? c. Apakah ⅀ = ⅀ ℎ ? Penyelesaian : a. + = + ′ ′ 4.3 + 2. (−6) = 4 . + 2. ′ ′ 0 = 4 . + 2. ′ ′ = -2 ′ ′ = 1 ′ 1= − ′ − − = − ′ ′ −2 − ′ =3-(-6) ′ 55