What is the fellow of 'n' if (8-3) (8-n)=?
A
-3
B
8
C
-5
Correct Answer:
(8 - 3)(8 - n) = 40 ⇒ 5 (8 - n) = 40⇒8 - n = 405 ⇒8 - n = 8⇒ n = 8 - 8 .:. n = 0