(2y^2-15y+50)/(2y^2-7y-99)

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Solution for (2y^2-15y+50)/(2y^2-7y-99) equation: 


D( y )

2*y^2-(7*y)-99 = 0

2*y^2-(7*y)-99 = 0

2*y^2-(7*y)-99 = 0

2*y^2-7*y-99 = 0

2*y^2-7*y-99 = 0

DELTA = (-7)^2-(-99*2*4)

DELTA = 841

DELTA > 0

y = (841^(1/2)+7)/(2*2) or y = (7-841^(1/2))/(2*2)

y = 9 or y = -11/2

y in (-oo:-11/2) U (-11/2:9) U (9:+oo)

(2*y^2-(15*y)+50)/(2*y^2-(7*y)-99) = 0

(2*y^2-15*y+50)/(2*y^2-7*y-99) = 0

2*y^2-15*y+50 = 0

2*y^2-15*y+50 = 0

DELTA = (-15)^2-(2*4*50)

DELTA = -175

DELTA < 0

1 = 0

2*y^2-7*y-99 = 0

2*y^2-7*y-99 = 0

DELTA = (-7)^2-(-99*2*4)

DELTA = 841

DELTA > 0

y = (841^(1/2)+7)/(2*2) or y = (7-841^(1/2))/(2*2)

y = 9 or y = -11/2

(y+11/2)*(y-9) = 0

1/((y+11/2)*(y-9)) = 0

y belongs to the empty set

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