document.write( "Question 1080374: if X^2/a^2 - Y^2/b^2 =1 then Y is \n" ); document.write( "

Algebra.Com's Answer #694581 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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if $\"X%5E2%2Fa%5E2\"$ - $\"Y%5E2%2Fb%5E2\"$ = 1 then Y is
\n" ); document.write( "multiply equation by a^2b^2, cancel the denominators
\n" ); document.write( " $\"x%5E2b%5E2\"$ - $\"y%5E2a%5E2\"$ = $\"a%5E2b%5E2\"$
\n" ); document.write( " $\"x%5E2b%5E2\"$ - $\"a%5E2b%5E2\"$ = $\"y%5E2a%5E2\"$
\n" ); document.write( "divide by a^2
\n" ); document.write( " $\"y%5E2\"$ = $\"%28%28x%5E2b%5E2%29-%28a%5E2b%5E2%29%29%2Fa%5E2\"$
\n" ); document.write( " $\"y%5E2\"$ = $\"%28b%5E2%28x%5E2-a%5E2%29%29%2Fa%5E2\"$
\n" ); document.write( "Find the square root of both sides
\n" ); document.write( "y = $\"sqrt%28b%5E2%28x%5E2-a%5E2%29%2Fa%5E2%29\"$
\n" ); document.write( " \n" ); document.write( "

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