Find vector ( vec{b} ), if ( vec{a}+ vec{b} )+ ( vec{c} )=8 ( hat{i} – McqOptions

MCQOPTIONS

1.	Find vector ( vec{b} ), if ( vec{a}+ vec{b} )+ ( vec{c} )=8 ( hat{i} )+2 ( hat{j} ) where ( vec{a} )= ( hat{i} )-6 ( hat{j} ) and ( vec{c} )=3 ( hat{i} )+7 ( hat{j} ).
A.	4 ( hat{i} )+4 ( hat{j} )
B.	( hat{i} )+4 ( hat{j} )
C.	4 ( hat{i} ) ( hat{j} )
D.	4 ( hat{i} )+ ( hat{j} )
Answer» E.

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