SELECT * FROM question_mgmt as q WHERE id=9502 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=6 AND chapterId=269 and ex_no='3' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th mathematics Polynomials on dividing x3 nbsp ndash 3x2 nbsp x 2 by a

Question:

On dividing x– 3x+ x + 2 by a polynomial g(x), the quotient and remainder were x – 2 nd –2x + 4, respectively. Find g(x).

Answer:

                   Given  ,

                   Dividend  p(x) =  x3 - 3x2 + x + 2

                   Quotient = x – 2

                   Remainder = -2x + 4

             Let divisor  = g(x)

             As we know ,

             Dividend = Divisor × Quotient + Remainder

                      x3- 3x2 +x+ 2 = g(x) × (x – 2) + (-2x + 4)

                      x 3- 3x2 + x + 2 – (-2x + 4) = g(x) × (x – 2 )

                     Therefore, g(x) × (x – 2 ) = x3 – x2 + x + 2

       Now we will divide p(x) by quotient x – 2 to find divisor g(x)

                                

            Therefore ,  g(x) = ( x2 – x + 1 )


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SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='9' AND subId='6' AND ex_no!=0 AND status=1 and id!=9502 ORDER BY last_viewed_on desc limit 0,10
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