Verify whether the following are zeroes of the polynomial, indicated against
them. (i) p(x)=3x+1, x=−1/3 (ii) p(x) = 3x2−1, x = -1/√3 , 2/√3
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Answer:
(i) p(x) =3x + 1 , x= -1/3
3*(-1/3) + 1
-1 + 1
0
(ii) 3x^2 - 1
when x=-1/√3
so, 3(-1/√3)² - 1
3*(1/3) - 1
3 will cancel
so, 1 - 1
= 0
when x=2/√3
so, 3(2/√3)² - 1
3*(4/3) - 1
3 will cancel
4 - 1
= 3
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