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Question
Factorize each of the following expression:
25x4y4 − 1
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Solution
\[25 x^4 y^4 - 1\]
\[ = (5 x^2 y^2 )^2 - 1\]
\[ = (5 x^2 y^2 - 1)(5 x^2 y^2 + 1)\]
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