
Sofia B.
asked 03/27/21Using the factorization x − 4 = ( (√ x )− 2)( (√ x ) + 2), we have
https://ibb.co/PWHq2kf
Please follow the above link as I do not know why this question is received as wrong. Thank you.
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1 Expert Answer

Mark M. answered 03/29/21
Tutor
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Mathematics Teacher - NCLB Highly Qualified
The step marked with the X should be:
1 / (√x + 2) in order for the limit to exist.
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Doug C.
The answer is correct, the next to last step should show 1/(2+2).03/29/21