Homework Statement
Calculate 2^100 in ZZ11.
Homework Equations
This is a Linear Algebra problem.
The Attempt at a Solution
Here's my work:
2^5=32=-1 mod 11
2^10=1 mod 11
2^100=1 mod 11
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I think the answer is 1 since that's the remainder, am I right?
Homework Statement
Find the power series in x-x0 for the general solution of y"-y=0; x0=3.
Homework Equations
None.
The Attempt at a Solution
Let me post my whole work:
Homework Statement
Find the power series in x-x0 for the general solution of y"-y=0; x0=3.
Homework Equations
None.
The Attempt at a Solution
I'll post my work by uploading it.