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Question

The zeroes of the polynomial
P(x)=ax2+bx+c are 1 and 2.
Find the value of a, b and c.


A

a = 1, b = -3 , c = 1

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B

a = 1 , b = -3, c = 2

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C

a = 3, b = -1, c = 1

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D

a = -1 , b = -3, c = -2

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Solution

The correct option is B

a = 1 , b = -3, c = 2


Given the zeroes of P(x) are 1 and 2.
P(x)=(x1)(x2)
ax2+bx+c=x23x+2
a=1, b=3, and c=2


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