From the set A=[1,2,3,4,5,6,7,8,9,10,11,12,13] two numbers are selected with replacement. If 'x' and 'y' are the numbers selected what is the probability that x²-y² is divisible by 3:
OPTIONS:
42/169
100/169
97/169
96/169
From the set A=[1,2,3,4,5,6,7,8,9,10,11,12,13] two numbers are selected with replacement. If 'x' and 'y' are the numbers selected what is the probability that x²-y² is divisible by 3:
OPTIONS:
42/169
100/169
97/169
96/169
OPTIONS:
42/169
100/169
97/169
96/169