Question

13

Equation (x2 + 1)2 - x2 = 0 has How many roots?
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Answer 1

Step-by-step explanation:

(x^2+1)2-x^2= 0

2x2 + 2 -x2 = 0

2x2-x2 +2 = 0

x2+2=0

x2=-2

√x2=-√2

x=-√2

Therefore, this equation has only one root is -√2

Answer 2

four roots

hope this is helpful