Question

(4m+5n)
$(4m + 5n) ^{2} (4m - 5n) ^{2}$
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Answer 1

Answer :

= $(4m + 5n) ^{2} (4m - 5n) ^{2}$

=${((4m + 5n)× (4m - 5n) )}^{2}$

= ${({(16m) }^{2}- {(25n) })^{2}}^{2}$

= ${256m}^{4} - {800}^{2}{n}^{2} + {625n}^{4}$

Thank you :D

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