👤

Sagot :

A=2  et  B=1+1/2+1/3+1/4+1/12
montrer que A=B


B=1+1/2+1/3+1/4+1/12
=12/12+6/12+4/12+3/12+1/12
=24/12
=2
=A

© 2024 IDNLearn. All rights reserved.