Q. 4 A5.0( 1 Vote )

Comment upon the nature of roots of the following equations:

4x2 + 7x + 2 = 0

Answer :

d = b2 – 4ac


d = (7)2 – 4 (4) (2)


d = 49 – 32


d = 17


Since, d>0, roots are unique and real.


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