Find vector ( vec{c} ), if ( vec{a} ) ( vec{b} )+ ( vec{c} )=6 ( ha – McqOptions

MCQOPTIONS

1.	Find vector ( vec{c} ), if ( vec{a} ) ( vec{b} )+ ( vec{c} )=6 ( hat{i} )+8 ( hat{j} ) where ( vec{a} )=7 ( hat{i} )+2 ( hat{j} ) and ( vec{b} )=4 ( hat{i} )-5 ( hat{j} ).
A.	-3 ( hat{i} )+ ( hat{j} )
B.	3 ( hat{i} )+ ( hat{j} )
C.	3 ( hat{i} ) ( hat{j} )
D.	-3 ( hat{i} ) ( hat{j} )
Answer» C. 3 ( hat{i} ) ( hat{j} )

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