Question

If both the zeroes of the quadratic polynomial ax2+bx + c are equal and opposite in sing then find the value of b.

Answer 1

Answer:let one root be x

then other root will be -x

As sum of two roots is -b/a for a quadratic polynomial

therefore,

X+(-x)=-b/a

0=-b/a

b=0

Step-by-step explanation:

Answer 2

Let roots be X and Negatibe X, therefore sum of roots = -b/a , X + -X =-B/A which imples B is equal to 0