Question

find range of y=1/x^2-1​

Answer 1

Answer:

hence range would

Step-by-step explanation:

Domain is all x except x=2. at which y becomes undefined.  

(

−

∞

,

2

)

U

(

2

,

∞

)

For range solve y=

1

x

−

2

for x, It is x= 2+1/y. Here x becomes undefined for y=0. Hence Range of y would be  

(

−

∞

,

0

)

U

(

0

,

∞

)

Answer 2

Answer:

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Step-by-step explanation:

y = 1 +x² −1