The coefficient of $a b$ in $2 a b$ is

a b

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2

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2 a

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2 b

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Solution

The correct option is B $2$
The coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. $4$ in $4$ xy).
So The co-efficient of $a b$ in $2 a b$ is $2$

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Similar questions

Four alternative options are given for each of the following statements. Select the correct option.

The coefficient of ab in 2ab is:

A. ab

B. 2

C. 2a

D. 2b

2 a^{2} b^{2} + a b - 45

a b - 2 b + a^{2} - 2 a

\frac{2 b + a - \frac{4 a^{2} - b^{2}}{a}}{b^{3} + 2 a b^{2} - 3 a^{2} b} \cdot \frac{a^{3} b - 2 a^{2} b^{2} + a b^{3}}{a^{2} - b^{2}}

a b - 2 b + a^{2} - 2 a

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