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If the vectors 2hati-3hatj+4hatk and hati+2hatj-hatk and m hati - hatj+2hatk are coplanar, then the value of m is |
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Answer» `(5)/(8)` `implies 2(4-1)+3(2 +m) +4(-1-2m)=0` `implies m=8/5` |
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