If A $ B = (A + B) x (A-B), then what is the value of 6 $ 5?
Show answer & explanation
Correct answer: A
Explanation
A = 6 B = 5
Formula: A $ B = (A + B) x (AB)
⇒ 6 $ 5 = 11
⇒ 6 * 5 = (6 + 5)(6 - 5)
⇒ 6 $ 5 = 11 * 1
The correct answer is 11. Therefore, the correct answer is "Option 1."