Question

please solve the question it is urgent​

Answer 1

Answer:

no.multiplied by itself is same as the square of the number so the simplest way to find number would be to take square of given number

Step-by-step explanation:

therefore,√12345678987654321=111,111,111,111,222,222,222,

Answer 2

Answer:

11 * 11 = 121

111 * 111 = 12321

what we observe is that the square of the number follows a pattern: 2 1's gives 121.

3 1's gives 12321.

so to get 12345678987654321 we need to get square of 9 1's(111,111,111).