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Question 11
Find the zeroes of the polynomial in each of the following.

(i) p(x) = x – 4

(ii) g(x) = 3 – 6x

(iii) q(x) = 2x – 7

(iv) h(y) = 2y


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Solution

(i) p(x) = x - 4
For zero of polynomial, put p(x) = 0.
x4=0
x=4
Hence, zero of p(x) is 4.

(ii) g(x) = 3 – 6x
For zero of polynomial, put g(x)=0.
36x=06x=3
x=36=12
Hence, zero of the polynomial is 12.

(iii) q(x) = 2x - 7
For zero of polynomial, put q(x) = 0.
2x7=0
2x=7x=72
Hence, zero of the polynomial is 72.

(iv) h(y) = 2y
For zero of polynomial, put h(y) = 0.
2y=0y=0
Hence, the zero of the polynomial is 0.

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