Question

add (4m+5n) , (5m+4n) , (4m+5n) , (4m-5n) ​

Answer 1

Answer:

add (4m+5n) , (5m+4n) , (4m+5n) , (4m-5n)

Answer 2

Answer:

⇒(4m+5n)

2

+(5m+4n)

2

⇒(4m+5n)

2

+(5m+4n)

2

⇒16m

2

+25n

2

+40mn+25m

2

+16n

2

+40mn

41m

2

+41n

2

+80mn

⇒40(m

2

+n

2

+2mn)+m

2

+n

2

⇒40(m+n)

2

+m

2

+n