Consider the vectorsWhich pairs (if any) of these vectors are(a) Are perpendicular?d = i +47-k,6=-1-4j+k, c = i + j+5kģ = 4i+j − k.đ - 4 th(Enter none or a pair or list of pairs, e.g., if à is perpendicular to band è, enter (a,b),(a,c).)(b) Are parallel?(Enter none or a pair or list of pairs, e.g., if à is parallel to b and , enter (a,b),(a,c).)(c) Have an angles less than 7/2 between them?(Enter none or a pair or list of pairs, e.g., if à is at an angle less than pi/2 from band è, enter (a,b),(a,c).)(d) Have an angle of more than π/2 between them?(Enter none or a pair or list of pairs, e.g., if à is at an angle greater than pi/2 from band è, enter (a,b),(a,c).)

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Consider the vectors Which pairs (if any) of these vectors are (a) Are perpendicular? 6 = -i - 4j+ k, 2= 7+3+5k d=-1-4j+ k, ģ=4i+j – k a = i +4j-k, (Enter none or a pair or list of pairs, e.g., if à is perpendicular to band è, enter (a,b),(a,c).) (b) Are parallel? (Enter none or a pair or list of pairs, e.g., if à is parallel to band è, enter (a,b),(a,c).) (c) Have an angles less than π/2 between them? (Enter none or a pair or list of pairs, e.g., if à is at an angle less than pi/2 from band è, enter (a,b),(a,c).) (d) Have an angle of more than 7/2 between them? (Enter none or a pair or list of pairs, e.g., if à is at an angle greater than pi/2 from band è, enter (a,b),(a,c).)