1 votes 1 votes I understood solution till no of factor of are 75 can some explain me last step? mehul vaidya asked Mar 25, 2018 mehul vaidya 383 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 0 votes 0 votes Let the representation be X * Y, if there is are odd number of factors there will be a representation of the form X * X(32400 = 180 * 180). Also, we don't have to count the representations X * Y and Y * X twice. Ref: https://math.stackexchange.com/questions/525935/why-perfect-square-has-odd-number-of-factors KrishnaAnaril answered Mar 25, 2018 • selected Mar 25, 2018 by mehul vaidya KrishnaAnaril comment Share Follow See 1 comment See all 1 1 comment reply mehul vaidya commented Mar 25, 2018 reply Follow Share thank you 0 votes 0 votes Please log in or register to add a comment.
