Biểu thức 5: left parenthesis, 1 plus "b" , 2 plus "b" , 3 plus "b" , right parenthesis1+b,2+b,3+b
equals=
left parenthesis, 1 , 2 , 3 , right parenthesis1,2,3
5
Biểu thức 6: left parenthesis, "t" left parenthesis, 1 plus "b" , right parenthesis , "t" left parenthesis, 2 plus "b" , right parenthesis , "t" left parenthesis, 3 plus "b" , right parenthesis , right parenthesist1+b,t2+b,t3+b
00
miền t Cực tiểu:
less than or equal to "t" less than or equal to≤t≤
11
miền t Cực đại:
6
The green line intersects the red line, but it doesn't collide, i.e., they intersect at but with different parameter values. The blue line intersects with the red line (and the green line), and it collides with the red line.