Question

Which of the following is not a test to determine if an infinite series is convergent or
divergent?
(a)D'Alembert's ratio test
(b) Comparison test
(c)Cauchy's root test
(d)Unit root test​

Answer 1

(^.^)

Correct answer is:

(d)Unit root test​

Unit root test​ is not a test to determine if an infinite series is convergent or

divergent

♡´･ᴗ･`♡

Answer 2

Answer:

(d)Unit root test

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