Uprość wyrażenie (3a-2)²-2(a+2)(a-2) i oblicz jego wartość dla a= -√3
(3a-2)²-2(a+2)(a-2)=9a²-12a+4-2a²+8=7a²-12a+12
a=-√3
7*[-√3]²-12*[-√3]+12=7*3+12√3+12=33+12√3
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(3a-2)²-2(a+2)(a-2)=9a²-12a+4-2a²+8=7a²-12a+12
a=-√3
7*[-√3]²-12*[-√3]+12=7*3+12√3+12=33+12√3