document.write( "Question 1118936: If x^y = a and x^4y-4 = 77, find the value of a \n" ); document.write( "

Algebra.Com's Answer #734361 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "I read your post (your formulas) in this way:\r\n" );
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document.write( "        If   = a  and   = 77,  find the value of  a.\r\n" );
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document.write( "Then    = ,  and the given equation is\r\n" );
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document.write( "     = 77  ====>   = 77 + 4 = 81.\r\n" );
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document.write( "It implies that \"a\" may have four possible values:\r\n" );
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document.write( "    - two real values  a= 3  and  a= -3,\r\n" );
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document.write( "    - and two imaginary values  a= 3i  and  a= - 3i.\r\n" );
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