1.

The minimum value of 2 X square + X - 1 is

Answer»

2x^2+x-1
=2x^2+(2-1)x-1
=2x^2+2x-x-1
=2(x^2+1)x-1(x+1)
=(2x-1) (x+1)



Discussion

No Comment Found

Related InterviewSolutions