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User Blue Lotus

 Member for: 1 year (since Feb 8, 2019) Type: Registered user Full name: GATE Year: GATE Rank: About: Resume: DBLP Link: Following standard books?: Current City: Home State: Donate Me Link:

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Consider the function
f(x) =(1 + x + x2 / 2! + x3 / 3! + . . . + xn  / n! )e−x,
where n >= 4 is a positive integer. Which of the following statements
is correct?
(A) f has no local extremum
(B) For every n, f has a local maximum at x = 0
(C) f has no local extremum if n is odd and has a local maximum at
x = 0 when n is even
(D) f has no local extremum if n is even and has a local maximum at
x = 0 when n is odd.
Mar 2, 2019
Consider the function
f(x) =(1 + x + x2 / 2! + x3 / 3! + . . . + xn  / n! )e−x,
where n >= 4 is a positive integer. Which of the following statements
is correct?
(A) f has no local extremum
(B) For every n, f has a local maximum at x = 0
(C) f has no local extremum if n is odd and has a local maximum at
x = 0 when n is even
(D) f has no local extremum if n is even and has a local maximum at
x = 0 when n is odd.
Mar 2, 2019
455 questions