Question

can anybody please tell me that in this how 2x/25 will come in 8/100x x​

Answer 1

Answer:

In Δ ABC, DE ∥ BC

∴

DB

AD

=

EC

AE

(By basic proportionality theorem)

⇒

x−2

x

=

x−1

x+2

⇒x(x−1)=(x+2)(x−2)

⇒x

2

−x=x

2

−4

⇒x=4.

Answer 2

Answer:

I hope it helped have a nice day :)