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Question
The zeroes of the polynomial x2−2x−3 are ____
The zeroes of the polynomial x2−2x−3 are ____
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Solution
The correct option is C 3, -1
Given, x2−2x−3
Lets Factorise
x2−2x−3x2−3x+x−3x(x−3)+1(x−3)(x−3)(x+1)x−3=0; x+1=0x=3; −1
Zeroes are 3 &−1
Given, x2−2x−3
Lets Factorise
x2−2x−3x2−3x+x−3x(x−3)+1(x−3)(x−3)(x+1)x−3=0; x+1=0x=3; −1
Zeroes are 3 &−1
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