Question

(7a^2-1)(7a^2-1) find using identity ​

Answer 1

(7a^2-1)(7a^2-1)

(7a^2-1)²

49a⁴+1 - 14a²

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Answer 2

Answer:

ur question is wrong

correct question is

(7a²-1)(7a²+1)

(7a²)²-(1)²

49a⁴-1

using (a-b) (a+b) =a²-b²

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