1.

4. Add thefollowingi ľ tm², m²+ n2 n²+ ľ​

Answer»

Step-by-step explanation:

ANSWER

l

2

+m

2

,m

2

+N

2

,n

2

+l

2

,2lm+2mn+2nl

Adding we get,

l

2

+m

2

+m

2

+n

2

+n

2

+l

2

+2lm+2mn+2nl

=2l

2

+2M

2

+2N

2

+2lm+2mn+2nl

=2(l

2

+m

2

+n

2

+lm+mn+nl)


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