Объяснение:
x²+y²-2x+6y+11=(x²-2x+1)+(y²+6y+9)+1=(x-1)²+(y+3)²+1≥0+0+1=1>0
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Объяснение:
x²+y²-2x+6y+11=(x²-2x+1)+(y²+6y+9)+1=(x-1)²+(y+3)²+1≥0+0+1=1>0