Find the zeros of the quadratic polynomial 2x*2 + x - 10 and verify the relationship between the zeros and the coefficients
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Answer:
2x*2+x-10
2x*2 -4x + 5x -10
2x(x-2) + 5(x-2)
(2x+5) (x-2)
: alpha = 2x+5=0
x=-5/2
: beeta = x-2 = 0
x=2
Therefore, zeros are -5/2 & 2
VERIFICATION---
alpha+beeta= -b/a
-5/2+2=-1/2
-1/2=-1/2
alpha×beeta=c/a
-5/2×2=-10/2
-5=-5
Hence Verified
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