Question

If the average of the first seven consecutive positive integers is "a" and that of the first nine consecutive positive integers is "b". Then what be the value of the square-root of the squared difference of "a" and "b"?
a. 4
b. 2
c. 3
d. 5

Answer 1

Step-by-step explanation:

positive integers is "a" and that of the first nine consecutive positive integers is "b". Then what be the value of the square-root of the squared is 4