MCQ
Find the coefficient of $x^3$ in $7\text{x}^5 + 6{\text{x}}^4 +\frac{1}{2}{\text{x}}^3+\dfrac{1}{4}\text{x}^2+\text{x} +2$
  • $\frac{1}{2}$
  • B
    $\frac{1}{4}$
  • C
    $5$
  • D
    None of the above

Answer

Correct option: A.
$\frac{1}{2}$
$7\text{x}^5 + 6{\text{x}}^4 +\frac{1}{2}{\text{x}}^3+\dfrac{1}{4}\text{x}^2+\text{x} +2$ Coefficient of $ \text{x}^3= \frac{1}{2}$

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