Question

1. In Fig. 6.17.6) and (1), DE || BC. Find EC in (i) and AD in (ii).
1.5 cm
D
1.8 cm
1 cm
E.
7.2 cm
E
3 cm
BS
B
C с
5.4 cm
C с​

Answer 1

Answer:

graph y=x^2+3x+2 solve x^2+2x+1=0