1. 4
2. 6
3. 9
4. 10
6
1. 3i-4j
2. 3i+4j
3. 4i-4j
4. 4i+4j
4i-4j
1. √87
2. √78
3. √89
4. √101
√78
1. 1:3
2. 2:1
3. 3:1
4. 1:2
1:3
1. 2i+j+2k/3
2. –i+-2j+2k/3
3. 2i+3j+6k/7
4. –i+2j+6k/7
–i+-2j+2k/3
1. 2/3i-1/3j+2/3k
2. 2/5i-1/5j+2/5k
3. 2/√3 i-1/√3j+2/3k
4. -2/3i+1/√3j-2/√3k
2/3i-1/3j+2/3k
1. √2 i+4j+4k/√34
2. i-2j-2k/3
3. -2i+4j+4k/6
4. √2 i+4j-4k/√340
i-2j-2k/3
1. 2i+j+2k/3
2. -i+-2j+2k/3
3. 2i+3j+6k/7
4. –i+2j+6k/7
2i+3j+6k/7
1. 1/√2(4i-j+k)
2. 1/3√2(4i-j+k)
3. 1/3√2(4i+j-k)
4. 1/3√3(4i-2j-k)
1/3√2(4i-j+k)
1. ±1/6
2. 1/6
3. 6
4. 16
±1/6