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If İmī+/+2k and 5+ 31 +2]-k.thenthe valucofG+36)(zwA)5B) 1S |
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Answer» a=i+j+2kb=3i+2j-k a+3b=(i+j+2k)+3(3i+2j-k) =10i+7j-k 2a-b=2(i+j+2k)-(3i+2j-k)2a-b=-i+5k (a+3b).(2a-b)=(10i+7j-k).(-i+5k) =-10-5 =-15 |
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