Coefficient of $x$ in $7 - 5x + x^{2}$ is

Coefficient of $x$ in $7 - 5x + x^{2}$ is
  1. $-5$
  2. $5$
  3. $1$
  4. $7$

Solution

Coefficient of $x^{1}$ is $-5$.

Asked in: MH-SSC-9

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