August 2018 1 69 Report
Jika (x₁,y) dan (x,y) adalah penyelesaian sistem persamaan x²+y²+2x-5y=21 dan x-y+4=0, maka nilai x.x+ y.y adalah....

a. -7
b. -1
c. 6
d. -6
e. -19

Mohon bantuannya ya.. :)

More Questions From This User See All

Life Enjoy

" Life is not a problem to be solved but a reality to be experienced! "

Get in touch

Social

© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.