Question

4 squared + 1 by 4 squared

Answer 1

Answer:

4 squared + 1 by 4 squared =

=4a² - 4b² + 4a + 1 [using] (a² + b² + 2ab) = (a+b)

=(2a+1)² - 4b²  [using] ( a²-b²) = (a-b) (a+b)

∴=(2a+1-2b) x (2a+1+2b)

Step-by-step explanation:

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