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1/√x²-1 find domain and range

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1/√x²-1 find domain and range
  • 2 answers

Ankit Kumar Panda 1 year, 9 months ago

Domain= R-{±1,0} Range=(1,∞)

Ankit Kumar Panda 1 year, 9 months ago

Function should remain real so √(x²-1) should not be equal to zero so x²-1≠0 x² = 1 Or x = +1 And also it should not be equal to 0 otherwise it would be imaginary so, Then the domain will be R-{±1,0} Or(-∞, 1) U (1,∞) And range (1,∞)
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