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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Find the zero of the polynomial of the following: p(x) = 2x + 5

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Question

Find the zero of the polynomial of the following:

p(x) = 2x + 5

Sum
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Solution

p(x) = 2x + 5

= `2(x + 5/2)`

`"p"(-5/2) = 2(- 5/2) + 5/2`

= −5 + 5

= 2(0)

= 0

Here `-5/2` is the zero of p(x).

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Chapter 3: Algebra - Exercise 3.2 [Page 91]

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Samacheer Kalvi Mathematics [English] Class 9 TN Board
Chapter 3 Algebra
Exercise 3.2 | Q 3. (ii) | Page 91

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