Math, asked by minakshisamvedp5o49l, 1 year ago

divide 30x4 + 11x3 - 82x2 - 12x + 48 by (3x2 + 2x - 4) and verify the result by division algorithm

Answers

Answered by siddhartharao77
22
Given f(x) = 30x^4 + 11x^3 - 82x^2 - 12x + 48.

Given g(x) = 3x^2 + 2x - 4.

Now,

We need to divide f(x) by g(x)


                                10x^2 - 3x - 12
                         -----------------------------------------------------
3x^2  + 2x - 4)  30x^4  +  11x^3  -  82x^2  -  12x  + 48

                          30x^4  + 20x^3 - 40x^2

                          -------------------------------------------------------

                                            - 9x^3 - 42x^2 - 12x + 48

                                             -9x^3 - 6x^2   + 12x

                            --------------------------------------------------------

                                                        -36x^2  - 24x + 48

                                                        - 36x^2 - 24x + 48

                              ------------------------------------------------------------

                                                                                 0



Verification:

= > Dividend = Divisor * Quotient + Remainder

                      = (3x^2 + 2x - 4) * (10x^2 - 3x - 12) + 0

                      = 30x^4 - 9x^3 - 36x^2 + 20x^3 - 6x^2 - 24x - 40x^2 - 12x + 48

                      = 30x^4 + 11x^3 - 82x^2 - 12x + 48

            

Hope this helps!

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Answered by sanjana2306
9

Step-by-step explanation:

hope it helps!!

thanks..

pls mark brainliest...

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