Without actual division, find the remainder when 2x 3 -x2 -3x +5 is divided by
2x+1
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Answered by
5
Answer:
6
Step-by-step explanation:
2x³ - x² - 3x + 5
Let us consider (2x+1) is the factor
∴ 2x + 1 = 0
2x = -1
x =
substituting;
f() = 2 x ()³ - ()² - 3 x + 5
2 x - + + 5
- + + 5
= = = 6
∴ When 2x³ - x² - 3x + 5 is divided by 2x+1, the remainder is 6
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