5m Zen
4x x 2 1
4x x 2 1 pictures 5
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4x x 2 1
f x )u003d 4x x 2 1
3 4x x 2 1 2x 8
yu003d4x/x^2+1
derivative of 4x /( x 2 1
3 4x x 2 1
4x x 2 1 4 5x 2
4x x 2 1 4 x 1
4x x 2 1 )u003d 0
4x /( x 2 1 integral
4x x 2 1
