Question 8

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Jambmaths question: 

Divide a3x – 26a2x + 156ax– 216 by a2x – 24ax + 108

Option A: 

ax – 2

Option B: 

ax + 2

Option C: 

ax – 18

Option D: 

ax – 6

Jamb Maths Solution: 

$\begin{align}  & {{a}^{2x}}-24{{a}^{x}}+108\overset{{{a}^{x}}-2\text{                  }}{\overline{\left){\begin{align}  & {{a}^{3x}}-26{{a}^{2x}}+156{{a}^{x}}-216 \\ & \underline{{{a}^{3x}}-24{{a}^{2x}}+108{{a}^{x}}\text{         }} \\ & \text{     }-2{{a}^{2x}}+48{{a}^{x}}-216 \\ & \underline{\text{     }-2{{a}^{2x}}+48{{a}^{x}}-216\text{    }} \\ & ------------- \\\end{align}}\right.}} \\ & \frac{{{a}^{3x}}-26{{a}^{2x}}+156{{a}^{x}}-216}{{{a}^{2x}}-24{{a}^{x}}+108}={{a}^{x}}-2 \\\end{align}$

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