If `A, B, C, D and E` are five coplanar points, then the value of `bar(DA)+bar(DB)+bar(DC) + bar(AE) +bar( BE) +bar (CE)` is equal to

Question

If `A, B, C, D and E` are five coplanar points, then the value of `bar(DA)+bar(DB)+bar(DC) + bar(AE) +bar( BE) +bar (CE)` is equal to

If `A, B, C, D and E` are five coplanar points, then the value of `bar(DA)+bar(DB)+bar(DC) + bar(AE) +bar( BE) +bar (CE)` is equal to
A. DE
B. 3DE
C. 2DE
D. 4ED

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
A,B,C,D and E are five coplanar points.
`DA+DB+AE+BE+CE`
`=(DA+AE)+(DB+BE)+(DC+CE)`
`=DE+DE+DE=3DE`

4 views Answered 2023-02-05 15:29