Find the sum of the numerical coefficients of the algebraic expression:

$2 x^{2} + 31 y - 5 x y$ [2 MARKS]

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Solution

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Answer: 1 Mark

As per the question:
We have to find out the sum of the numerical coefficients of the expression $2 x^{2} + 31 y - 5 x y$
The numerical coefficient of $2 x^{2}$ = $2$
The numerical coefficient of $31 y$ = $31$
The numerical coefficient of $- 5 x y$ = $- 5$

Sum of the coefficients = 2 + 31 - 5 = 28
Hence, the sum of the numerical coefficients of the expression $2 x^{2} + 31 y - 5 x y$ is $28$ .

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