Q$1$: In the script window below:$62-8->$a$.$

Define the vectors a$2-2->$b $=$andC$-2$as column vectors.$-110$b$.$

Evaluate:i$)3(5$ca$)+($b$)($for grading purposes, call the result $1$bi$)$ii$)($call the result Q$1$bii$)$iii$)$ The length of b $($call the result Q$1$biii$)$iv$)($a b$)$b $($call the result Q$1$biv$)$v$)$ The sum of the last two elements in a$--($call the result Q$1$bv$)$