Write the coefficients of

Question:

Write the coefficients of $x^{2}$ in each of the following

1. $17-2 x+7 x^{2}$

2. $9-12 x+x^{2}$

3. $\frac{\pi}{6} x^{2}-3 x+4$

4. $\sqrt{3} x-7$

Solution:

Given, to find the coefficients of $x^{2}$

1. $17-2 x+7 x^{2}$ - the coefficient is 7

2. $9-12 x+x^{2}-$ the coefficient is 0

3. $\frac{\pi}{6} x^{2}-3 x+4$ - the coefficient is $\pi / 6$

4. $\sqrt{3} x-7$ - the coefficient is 0

 

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