English

Find the quotient and the remainder when f(x) = x^4 – 5x + 6 is divided by g(x) = 2 – x^2.

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Question

Find the quotient and the remainder when f(x) = x4 – 5x + 6 is divided by g(x) = 2 – x2.

Sum
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Solution

f(x) as x4 + 0x3 + 0x2 – 5x + 6 and g(x) as – x2 + 2 

                – x2 – 2
`-x^2 + 2")"overline(x^4 + 0x^3 + 0x^2 - 5x + 6)`
                x4            – 2x2
                 –                +                     
                                  2x2 – 5x + 6
                                  2x2         – 4
                                  –             +       
                                          –5x + 10  

Quotient q(x) = – x2 – 2

Remainder r(x) = –5x + 10

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Chapter 2: Polynomials - EXERCISE 2B [Page 63]

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 2 Polynomials
EXERCISE 2B | Q 8. | Page 63
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