Find the product — task. Mathematics State Board, Class 10.

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Find the product of

\frac{l + 3}{1 l + 9 m}

and

\frac{1 l^{2} - 81 m^{2}}{2 l^{2} + 2 l - 12}

Answer:

The product of the given expressions is

\frac{i i - i i}{2 i - i}

Did you find an error?

12. Find the product