document.write( "Question 1207670: Let $a$ be an integer such that $0 \le a \le 10$ and $a^2 \equiv a \pmod{11}$. If $a \neq 0,$ then find the value of $a$. \n" ); document.write( "
Algebra.Com's Answer #845672 by ikleyn(52777)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The answer is a = 1.\r
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\n" ); document.write( "\n" ); document.write( "This answer is OBVIOUS.\r
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