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## Answers

Similarly put m^2 in place a and put 16 in place of b.

We get,

m^4-256=(m^2+16)(m^2-16)

Again we use the same identity,

But this time we put a=m and b=4

We finally get

m^4-256=(m^2+16)(m+4)(m-4)

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Similarly put m^2 in place a and put 16 in place of b.

We get,

m^4-256=(m^2+16)(m^2-16)

Again we use the same identity,

But this time we put a=m and b=4

We finally get

m^4-256=(m^2+16)(m+4)(m-4)