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The vectors lamdahat(i)+hat(j)+2hat(k),...

The vectors `lamdahat(i)+hat(j)+2hat(k),hat(i)+lamdahat(j)-hat(k)` and `2hat(i)-hat(j)+lamda hat(k)` are coplanar, if

A

`lamda =-2`

B

`lamda =0`

C

`lamda =1`

D

`lamda = -1`

Text Solution

Verified by Experts

The correct Answer is:
A
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