Fri June 01, 2012 By: Mridulla Dharshini

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

Expert Reply
Fri June 01, 2012

ax2 +bx + c

Let the roots be r and -r.

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

This gives b = 0

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