Question

In triangle ABC parallel line to BC Intersect AB and AC a D and E respectively then
AB
=.........,DB =......... and AE = ........... .​

Answer 1

Answer:

DE∥BC

Thus,

DB

AD

=

EC

AC

⇒

3x−6

4x−3

=

5x−3

8x−7

⇒20x

2

−27x+9=24x

2

−29x+7

⇒4x

2

−2x−2=0

⇒2x

2

−x−1=0

⇒(2x+1)(x−1)=0

Thus, x=1