What is the remainder when (71)(73) is divided by 9?
Choose the correct choice from the following choices
A) 1 B) 2 C) 4 D) 6 E) 8

Rationale: "( 71 ) ( 73 ) = ( 72 - 1 ) ( 72 + 1 ) = 72 ^ 2 - 1 which is 1 less than a multiple of 9 . then the remainder will be 8 . the answer is e ."
Answer: E