Wykonaj działania, stosując wzory skróconego mnożenia.
1. (b - 2)³
2. (3a - 1)³
1. (b-2)^3=b^3-3b^2*2+3b*2^2-2^3=b^3-6b^2+12b-8
2. (3a-1)^3=27a^3-27a^2+9a-1
1. b³-6b²+12b²-8=b³+12b²-82. 27a³-27a ²+9a-1
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1. (b-2)^3=b^3-3b^2*2+3b*2^2-2^3=b^3-6b^2+12b-8
2. (3a-1)^3=27a^3-27a^2+9a-1
1. b³-6b²+12b²-8=b³+12b²-8
2. 27a³-27a ²+9a-1