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Given `: vec(A)rarr=2hat(i)-3hat(j)` is The magnitude of `(vec(A)+vec(B))` is `:`A. `sqrt(120)units`B. `sqrt(130)units`C. `sqrt(58)units`D. `sqrt(65)units` |
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Answer» Correct Answer - B `(vec(A)+vec(B))=7hat(i)-9hat(j)` `:. |vec(A)+vec(B)|=sqrt(49+81)=sqrt(130)` |
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