Question

what is the value of x² ±3y / xy, if x = 4 and y =2?
a. 1 3/4
b. 2 1/2
c. 2 3/8
d. 2 3/4
explain your answer

Answer 1

Step-by-step explanation:

If 2^x + 2^y = x^2 + y^2, where x and y are nonnegative integers, what is the greatest possible value of |x – y|?

(A) 0

(B) 1

(C) 2

(D) 3

(E) 4

This is a challenge problem on MGMAT. I do not have the answer to the question... But on solving the problem I got the answer of 2 (not sure if it is right)

Spoiler: OA