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Use the rule $\log_a(n^b) = b\log_a(n)$ to rearrange some expressions.

Factorise a quadratic expression of the form $x^2+akx+bk^2$ for $x$, in terms of $k$. $a$ and $b$ are constants.

Factorise a quadratic expression of the form $x^2+akx+bk^2$ for $x$, in terms of $k$. $a$ and $b$ are constants.

Factorise a quadratic expression of the form $x^2+akx+bk^2$ for $x$, in terms of $k$. $a$ and $b$ are constants.

Given sequences with missing terms, find the common difference between terms.

Given sequences with missing terms, find the common difference between terms.

Given sequences with missing terms, find the common difference between terms.

Dadas las secuencias con términos faltantes, encuentra la diferencia común entre los términos.

Given sequences with missing terms, find the common difference between terms.

Given arithmetic sequences with some terms missing, fill in the missing terms.