GATE CSE
First time here? Checkout the FAQ!
x
+2 votes
248 views

The value of $x$ at which $y$ is minimum for $y=x^2 -3x +1 $ is

  1. -3/2
  2. 3/2
  3. 0
  4. -5/4
asked in Calculus by Veteran (75.6k points)  
edited by | 248 views

1 Answer

+7 votes
Best answer

Ans B) 3/2

y=x2-3x+1

y'=2x-3

y''=2 // So, y has minimum value

the value at point (2x-3)=0

or, x=3/2

 

answered by Veteran (51.7k points)  
selected by
Top Users Feb 2017
  1. Arjun

    5166 Points

  2. Bikram

    4204 Points

  3. Habibkhan

    3748 Points

  4. Aboveallplayer

    2986 Points

  5. sriv_shubham

    2298 Points

  6. Debashish Deka

    2234 Points

  7. Smriti012

    2142 Points

  8. Arnabi

    1998 Points

  9. mcjoshi

    1626 Points

  10. sh!va

    1552 Points

Monthly Topper: Rs. 500 gift card

20,815 questions
25,974 answers
59,606 comments
22,025 users