Question

If p=Q'what is p u Q?​

Answer 1

Answer:

Correct option is A)

p+q=k ------- (1)

p−q=n ------- (2)

Subtracting (2) from (1),

2q=(k−n)

Since k>n,

(k−n) is positive, therefore, q=

2

k−n

, which is positive