Question

5.If (a-5)2+(b-c)2+(c-d)2+(6+c+d-a)2=0 then (a+b+c)(b+c+d) is

1) 125/3
2) 85/3
3) 20
4) 99
​

Answer 1

Answer:

4)99

Step by step explaination:

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Answer 2

use distance formula to find the distance between two points, as we have given the two points,