If one root of the polynomial axsquare +bx + c is negative of the other A) a=0 B) b=0 C) c=0

Asked by mridulla dharshini | 1st Jun, 2012, 10:36: AM

Expert Answer:

ax2 +bx + c

Let the roots be r and -r.

Sum of roots = r + (-r) = 0 = -b/a

This gives b = 0

Answered by  | 1st Jun, 2012, 10:56: AM

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