Question

Express x in terms of a, b, and c.
X =

Answer 1

`(ac)/(a+b) .`

Explanation:

1) Δ ADE ~ Δ ABC, then

`(AE)/(AC) =(DE)/(BC)` ⇒
`(x)/(c) =(a)/(a+b);`

`2) \ finally, \ x=(ac)/(a+b) .`