1)

What is the values of (P+Q)(PQ) if PQ=7


A) 1/3

B) 2/3

C) 4/3

D) 7/8

Answer:

Option C

Explanation:

Given  PQ=7 

from that P = 7Q,substitute in P+QPQ

So,we will get 7Q+Q7QQ=8Q6Q=43