find he zeroes of the polynomial -x²+4x-3=0
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Answer:
Let f(x) = 4 x2 – 4x – 3
By splitting the middle term, we get
f(x) = 4 x2 – 6x + 2x – 3
= 2x(2x – 3) + 1(2x – 3)
= (2x + 1) (2x – 3)
On putting f(x) = 0, we get
(2x + 1) (2x – 3) = 0
⇒ 2x + 1 = 0 or 2x – 3 = 0
or
Thus, the zeroes of the given polynomial4x2 – 4x – 3 areand
Verification
Sum of zeroesor

Product of zeroesor

So, the relationship between the zeroes and the coefficients is verified.
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