lynnxiong4
lynnxiong4
21-02-2015
Mathematics
Answered
Square root of x^2-4 plus x^2/x^2+1
Answer :
Panoyin
Panoyin
22-02-2015
√x² - 4 + x²/x² + 1
x - 2 + x²/x² + 1
x - 2
+
x²
1 x² + 1
(x - 2)(x² + 1)
+
x²
(1)(x² + 1) x² + 1
x³ + x - 2x² - 2
+
x²
x² + 1 x² + 1
x³ - 2x² + x² + x - 2
x² + 1
x³ - x² + x - 2
x² + 1
x³ + x - 2
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