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Question

Divide the polynomial p(x) by the polynomial g(x) and find the quotient and remainder. p(x)=x45x+6, g(x)=2x2.

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Solution

Step 1: Divide the highest degree term of the dividend by the highest degree term of the divisor.
  • x4 is the highest term in dividend and x2 is the highest term in divisor and we will divide x4 by x2, we get the first term of the quotient as x2
Step 2: Multiply the quotient with the divisor..
  • The product is x42x2
Step 3: Subtract the product of the divisor and the quotient from the dividend.
  • we get 2x25x+6 after subtraction
  • Repeat the steps till the remainder is zero or deg r(x) < deg g(x).
  • So, the quotient is x22
    And the remainder is 5x+10.


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