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a^4 - 8^a^2b^2 - 16b^4 is in the form of a^2 +b^2 - 2ab
therefore
(a^2)^2 + (4b)^2. - 2x4b^2xa^2
=( a^2 - 4b^2)
(a^2 -4b^2)^2. - 16^2 (256)
in th form a^2 - b^2 = (a + b) x (a-b)
(a^2 - (2b)^2 (4b^2) + 16^2 ) x ( a^2 + (2b)^2 (4b^2) - 16^2 )
then again continue with the same pattern i.e.
a^2 - (2b)^2 = a^2 - b^2 = (a + b) x (a-b)
nd finally u ll get the answer
therefore
(a^2)^2 + (4b)^2. - 2x4b^2xa^2
=( a^2 - 4b^2)
(a^2 -4b^2)^2. - 16^2 (256)
in th form a^2 - b^2 = (a + b) x (a-b)
(a^2 - (2b)^2 (4b^2) + 16^2 ) x ( a^2 + (2b)^2 (4b^2) - 16^2 )
then again continue with the same pattern i.e.
a^2 - (2b)^2 = a^2 - b^2 = (a + b) x (a-b)
nd finally u ll get the answer
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Hope it will help u
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