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Factorisation Using Algebraic Identities

Find the valu...

Question

Find the value of following if $n = 1.$
$3 n^{2}$ + $7 n$

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Solution

$3 n^{2} + 7 n$
$= 3 (1) + 7 (1) = 10$

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Similar questions

7^{n} \times 7^{3} = 7^{12}

n

m = 3

n = 2

- 2 m^{3} - 3 n^{2} + 5 m^{2} n

n^{3} = 3 n^{2} + 2 n = 1320

\infty \sum n = 1 \frac{n}{7^{n}}

n^{- 1}

(1 + 3 n^{2} + n^{4}) (1 + \frac{1}{n})

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