Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th
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Add the following polynomials and find the degree of the resultant polynomial f(x) = 16x4 – 5x2 + 9, g(x) = −6x3 + 7x – 15 - Mathematics

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Sum

Add the following polynomials and find the degree of the resultant polynomial

f(x) = 16x4 – 5x2 + 9, g(x) = −6x3 + 7x – 15

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Solution

f(x) + g(x) = 16x4 – 5x2 + 9 – 6x3 + 7x – 15

= 16x4 – 6x3 – 5x2 + 7x + 9 – 15

= 16x4 – 6x3 – 5x2 + 7x – 6

The degree of the polynomial is 4.

Concept: Addition of Polynomials
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APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 9th Mathematics Answers Guide
Chapter 3 Algebra
Exercise 3.1 | Q 5. (iii) | Page 87
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