Question

20. Sum of | + m, m + n, n + I is​

Answer 1

Answer:-

Sum of l+m, m+n, n+l

=l+m+m+n+n+l

=l+l+m+m+n+n

=2l + 2m + 2n

On grouping, the result is,

2(l+m+n)

Hence, the required answer is 2(l+m+n)

Answer 2

Step-by-step explanation:

l+m+m+n+n+l

2m+2m+2l

2(l+m+n})

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