" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a)
(3a⁻³.b.c.2.b⁻³) / (-2.a.b³.c.d⁻³)=-(3.a⁻³⁻¹.b¹⁻³⁻³.c¹⁻¹.d³)=-3.a⁻⁴.b⁻⁵.d³=-(3.d³)/(a⁴.b⁵).
b)
2/a-1/(3a)=(6a-a)/3a²=5a/3a²=5/3a.
c)
(abc+2abc-3abc+7abc) / abc=7abc/abc=7.
c)
2x^(2+x)/2x⁻²=x^(2+x)/x⁻²=x^(2+x-(-2))=x^(4+x).
Un saludo.