If m=2 and n=1, then find the value of following polynomials:
$m^{2} + 6 n$

20

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10

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5

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None of these

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Solution

The correct option is B $10$
Let us substitute $m = 2$ and $n = 1$ in the given polynomial $m^{2} + 6 n$ as shown below:

$m^{2} + 6 n = (2)^{2} + 6 (1) = 4 + 6 = 10$

Hence, $m^{2} + 6 n = 10$ , if $m = 2$ and $n = 1$ .

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