Question

evaluate the given equation:(2y-1)(2y+1)(4y²+1)....
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Answer 1

hope it helps.... thanks

Answer 2

use formula (a+b) (a-b) = a2-b2

therefore, (2y-) (2y+) = 4y2-1

and last step use formula again therefore, (4y2-1)(4y2+1)= 16y2-1.