1.

If a, b, c are real numbers in A.P., then the roots of ax^(2) +bx +c=0 are real for

Answer»

all a and C
no a and c
`|( c)/(a)-7| GE 4sqrt(7)`
`|(a)/(c ) +7| ge 2sqrt(3)`

ANSWER :c


Discussion

No Comment Found

Related InterviewSolutions