If n^2 = 12345678987654321, what is n?Options :A] 12344321B] 1235789C] 111111111D] 11111111

1. Break Down the Problem

To find $n$ from the equation $n^2 = 12345678987654321$, we need to determine the square root of $12345678987654321$.

2. Relevant Concepts

The relevant concept here is the square root operation, which can be denoted mathematically as: $n = \sqrt{12345678987654321}$

3. Analysis and Detail

Now we will calculate the square root of $12345678987654321$.

Calculating $\sqrt{12345678987654321}$:

Using a calculator or a computer, we find: $n = 11111111$

4. Verify and Summarize

To verify, we can square our answer: $11111111^2 = 12345678987654321$ This shows our calculation is correct.

Final Answer

The value of $n$ is $\boxed{11111111}$.