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

Subtract the second polynomial from the first polynomial and find the degree of the resultant polynomial h(z) = z5 – 6z4 + z, f(z) = 6z2 + 10z – 7 - Mathematics

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Question

Subtract the second polynomial from the first polynomial and find the degree of the resultant polynomial

h(z) = z5 – 6z4 + z, f(z) = 6z2 + 10z – 7

Sum

Solution

h(z) – f(z) = z5 – 6z4 + z – (6z2 + 10z – 7)

= z5 – 6z4 + z – 6z2 – 10z + 7

= z5 – 6z4 – 6z2 + z – 10z + 7

= z5 – 6z4 – 6z2 – 9z + 7

The degree of the polynomial is 5.

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Subtraction of Polynomials
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Chapter 3: Algebra - Exercise 3.1 [Page 88]

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Samacheer Kalvi Mathematics [English] Class 9 TN Board
Chapter 3 Algebra
Exercise 3.1 | Q 6. (iii) | Page 88
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