The coefficient of x4 in -5x7 - 37x4 - 3x3 - 7x2 - 1 is

The correct option is B 37 The given equation is 5x^7+3/7x^4 3x^3+7x^2 1 In a mathematical equation, a coefficient is a constant by which a variable ...

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Standard VIII

Mathematics

Coefficients

The coefficie...

Question

The coefficient of $x^{4}$ in $- 5 x^{7} + \frac{3}{7} x^{4} - 3 x^{3} + 7 x^{2} - 1$ is ____

- 5

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- 3

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\frac{3}{7}

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7

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Solution

The correct option is B $\frac{3}{7}$
The given equation is $- 5 x^{7} + \frac{3}{7} x^{4} - 3 x^{3} + 7 x^{2} - 1$
In a mathematical equation, a coefficient is a constant by which a variable is multiplied.
Then coefficient of $x^{4}$ the is $\frac{3}{7}$

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f (x) = x^{4} - 3 x^{3} - 7 x^{2} + 12

Q. multiple

A = \frac{{3 x}^{4}}{4} - \frac{x^{4}}{2} + 5 x - 7; B = \frac{{2 x}^{3}}{3} + \frac{{3 x}^{3}}{2} - \frac{x}{6}; C = \frac{{2 x}^{4}}{3} - \frac{{3 x}^{4}}{4} + 5

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Q. If

A = \frac{{3 x}^{4}}{4} - \frac{x^{4}}{2} + 5 x - 7; B = \frac{{2 x}^{3}}{3} + \frac{{3 x}^{3}}{2} - \frac{x}{6}; C = \frac{{2 x}^{4}}{3} - \frac{{3 x}^{4}}{4} + 5

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(- A) C

A = \frac{{3 x}^{4}}{4} - \frac{x^{4}}{2} + 5 x - 7; b = \frac{{2 x}^{3}}{3} + \frac{{3 x}^{3}}{2} - \frac{x}{6}; C = \frac{{2 x}^{4}}{3} - \frac{{3 x}^{4}}{4} + 5

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The coefficient of x4 in −5x7+37x4−3x3+7x2−1 is ____

The correct option is B 37The given equation is −5x7+37x4−3x3+7x2−1In a mathematical equation, a coefficient is a constant by which a variable is multiplied. Then coefficient of x4 the is 37

The coefficient of $x^{4}$ in $- 5 x^{7} + \frac{3}{7} x^{4} - 3 x^{3} + 7 x^{2} - 1$ is ____

The correct option is B $\frac{3}{7}$
The given equation is $- 5 x^{7} + \frac{3}{7} x^{4} - 3 x^{3} + 7 x^{2} - 1$
In a mathematical equation, a coefficient is a constant by which a variable is multiplied.
Then coefficient of $x^{4}$ the is $\frac{3}{7}$