minimum value of x^2+4x+1 will be

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17 May 2012 minimum value

minimum value of x^2+4x+1 will be

OPtion

1) -4
2) -3
3) -2
4) -1
5) 0
6) 1
7) 2
8) 3
9) 4
10) none of these

Solution

x^2+4x+1 = x^2+4x+4-4+1 = (x+2)^2-3
so minimum value of the expression will be -3

Correct Option: 2 Best Solution (0)