Question

Am nevoie de ajutorul cu exercițiul 24,va rog frumos.

Answer 1

24

a) m²+n²+2mn+49= (m²+2mn+n²)+7²=(m+n)²+7²

b) 25m²+n²+10m+6n+10=(25m²+10m+1)+(n²+6n+9)=(5m+1)²+(n+3)²

c) 25m²+n²+10mn+30m+6n+10=(25m²+10mn+n²)+30m+6n+10=

=[(5m+n)²+6(5m+n)+9]+1=(5m+n+3)²+1

d)2m²+2n²=(m√2)²+(n√2)²