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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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