" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
LPK = 6s² = 6(2x+3)² = 24x² + 72x + 54
Vkubus = s³ = (2x+3)³ = (2x)³ + 3(2x)²(3) + 3(2x)(3²)+3³ =8x³+36x²+54x+27
panjang rusuk selurhnya = 12s = 12(2x+3) = 24x + 36