Simplify
(4m+5n) whole square + (5m+4n) whole square
please solve using identities class 9 polynomials
urgent
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Answer:
(4m^2 +5n^2)+(5m^2+4n^2)
16m^2 +25n^2+25m^2+16n^2
41m^2+41n^2
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