Factorize 4a²-1
with explaination please..
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Answer:
4a²-1 = (2a - 1) (2a + 1)
Step-by-step explanation:
Formula :
4a²-1
Write this in a² - b² format
= (2a)² - (1)²
= (2a - 1) (2a + 1)
So, 4a²-1 = (2a - 1) (2a + 1)
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