Question

3. Find the value of a if the division of ax? + 9x² + 4x
- 10 by x + 3 leaves a remainder 5.
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Answer 1

Step-by-step explanation:Let f(x) = ax3 + 9x2 + 4x – 10 by x + 3 x + 3 = 0 ⇒ x = −3 On dividing f(x) by x + 3, it leaves a remainder 5.