Question

Answer the following.
(i) Which numbers have odd squares?​

Answer 1

Answer:

Step-by-step explanation:

1, 5, 9, 13, 17, 21, 25, 29, 33, 37, . . . We will now see that every odd square is in that sequence. Every odd square is 1 more than a multiple of 4.

Answer 2

Answer:

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Step-by-step explanation:

1, 5, 9, 13, 17, 21, 25, 29, 33, 37, . . . We will now see that every odd square is in that sequence. Every odd square is 1 more than a multiple of 4. For, the sum of any two consecutive odd numbers is a multiple of 4, a sum of 4's.