Question
Sun April 13, 2014 By: Elsy Babu

x=9+4 find x+

Expert Reply
Mon April 14, 2014
x equals 9 plus 4 square root of 5 rightwards double arrow x plus 1 over x equals 9 plus 4 square root of 5 plus fraction numerator 1 over denominator 9 plus 4 square root of 5 end fraction equals 9 plus 4 square root of 5 plus fraction numerator 1 over denominator 9 plus 4 square root of 5 end fraction cross times fraction numerator 9 minus 4 square root of 5 over denominator 9 minus 4 square root of 5 end fraction equals 9 plus 4 square root of 5 plus fraction numerator 9 minus 4 square root of 5 over denominator 81 minus 80 end fraction equals 9 plus 4 square root of 5 plus 9 minus 4 square root of 5 equals 18
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