when 81 X square + 54 x cube minus 9 x square - 3 x + 2 is divided by 3 X + 2 find the remainder in the following
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Answer:
20
step 1
- given 81x² + 54x³ - 9x² - 3x + 2
- then arrange them in order
- ⁽54x³ + 81x² - 9x² - 3x + 2⁾ ÷ 3x + 2
- ⁽54x³ + 72x² - 3x + 2⁾ ÷ 3x + 2
- 3x + 2⁾ 54x³ + 72x² -3x +2⁽ 18x + 12x -9
- 54x³ + 36x²
- - - sing change
- 36x² - 3x
- 36x² + 24x
- - - sing change
- -27x + 2 as we know that⁽ - - = +⁾
- -27 - 18
- + +
- 20 ans
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