1.

A Number When Divide By 6 Leaves A Remainder 3. When The Square Of The Number Is Divided By 6, The Remainder Is?

Answer»

LET x = 6q + 3.

Then, x2 = (6q + 3)2

= 36q2 + 36q + 9

= 6(6q2 + 6q + 1) + 3

Thus, when x2 is divided by 6, then REMAINDER = 3.

Let x = 6q + 3.

Then, x2 = (6q + 3)2

= 36q2 + 36q + 9

= 6(6q2 + 6q + 1) + 3

Thus, when x2 is divided by 6, then remainder = 3.



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