18769754,Office1. If (L-3)2+(m-7)2+(3n-1)2=0 then find the value of (1+m+n)?168115251756A:B:C:D: 136362. (x+y-7-512 + (21736 About the author Hadley
Answer:
a
Step-by-step explanation:
the values are given so this the correct