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What is the coefficient of 'a' when 9a2+18a is divided by (a+2)?
  • a)
    18
  • b)
    9
  • c)
    1/2
  • d)
    2
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
What is the coefficient of a when9a2+18a is divided by(a+2)?a)18b)9c)1...
Coefficient of a when 9a^2 - 18a is divided by (a - 2)

To find the coefficient of a, we need to perform long division as shown below:

9a - 18
(a - 2) | 9a^2 + 0a - 18
9a^2 - 18a
------------
18a - 18
18a - 36
--------
18

Therefore, the remainder is 18 and the quotient is 9a + 18. The coefficient of a in the quotient is 9, so the answer is option B) 9.
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Community Answer
What is the coefficient of a when9a2+18a is divided by(a+2)?a)18b)9c)1...
To find the coefficient of 'a' when dividing 9a2 + 18a by (a + 2), we can use synthetic division or polynomial long division. Using synthetic division with root -2: -2 | 9 18 0; | -18 0; 9 0 0. The quotient is 9a with a remainder of 0, so the coefficient of 'a' is 9. Thus, the correct answer is B.
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