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Find the range of cos inverse ((x^2 + x + 1)/( x^4 + 1))

Find the range of cos inverse ((x^2 + x + 1)/( x^4 + 1))

Grade:12

1 Answers

Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
7 years ago
x^2 + x + 1)/( x^4 + 1)) , the range of this function is between 0 and 1, imply cos-1(x^2 + x + 1)/( x^4 + 1))), varies b/w -pi/2 to pi/2

sher mohammad
b.tech, iit delhi

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