Question

09. If x = (p+q) [p-q) then x-1 = ?
A. q/p-q
B. 2q/(p+q)
C. 2p/(p+q)
D. 2q/(p-q)​

Answer 1

Answer:

If x = (p+q)/ [p-q) then x-1 = 2q/(p-q).