AP and TS EAMCET Engineering Model Paper 1

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Question : 18 of 160

Marks: +1, -0

If the vectors a

−

i

+

−

j

+

−

k

,

−

i

+b

−

j

+

−

k

,

−

i

+

−

j

+c

−

k

(a≠1,b≠1,c≠1) are coplanar, the value of

1

1−a

+

1

1−b

+

1

1−c

is

1
2
3
0

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