Question

please answer with explaination​

Answer 1

Step-by-step explanation:

Given URL

To Prove ROS =( QOS - POS)

Proof

ROS = DROP - IS

also, ROS=QOS

ROQ

+ (ii)

New, ROW = CROP

* (i) = ZEROS = ZEROS

ZROP

+ (ii)

(i) + (in) - ZEROS = ZEROS

POS

ROS (QoS - ZPOS)

Hence