1. 4c
2. -4c
3. 3c
4. -2c
-4c
1. Only I is true
2. Only II is true
3. Both I & II are true
4. Neither I nor II are true
Both I & II are true
1. Only I is true
2. Only II is true
3. Both I & II are true
4. Neither I nor II are true
Both I & II are true
1. 2i+j-3k
2. 2i-j+3k
3. 2i+j+3k
4. 2i-j-3k
2i-j-3k
1. 13i-4j+9k
2. 3i+4j+9k
3. 13i-4j-9k
4. 13i-4j-9k
13i-4j+9k
1. r=s(2i+j-k)+t(i+2j+2k)
2. r=2i+2j-3k+s(3i+3j-5k)+t(i+2j+k)
3. r=(i+2j+3k)+s(-2i+3j+k)+t(2i-3j+4k)
4. none
r=2i+2j-3k+s(3i+3j-5k)+t(i+2j+k)
1. r=(i-2j-3k)+s(2i-j+3k)+t(2i+3j-6k)
2. r=(1-s-t)(i-2j-3k)+s(2i-j+3k)+t(2i+3j-6k)
3. r=(i-2j-3k)+s(4j-9k)
4. r=(34j-9k)+s(i-2j-3k)
r=(i-2j-3k)+s(2i-j+3k)+t(2i+3j-6k)
1. r=(1-s-t)(i-2j+5k)+s(-5j-k)+t(-3i+5j), s, t are scalars
2. r=(1-s-t)(i+2j+3k)+s(3i+2j+k)+t(2i+j+3k), s, t are scalars
3. r=(1-s-t)(2i+j+k)+s(i-j-k)+t(-i+j+2k), s, t are scalars
4. r=(1-s-t)(i-2j+5k)+s(-5j-k)+t(-3i+5j), s, t are scalars
r=(1-s-t)(i-2j+5k)+s(-5j-k)+t(-3i+5j), s, t are scalars
1. r=(1-s-t)(i-2j+5k)+s(-5j+k)+t(-3i+5j), s, t are scalars
2. r=(1-s-t)(i+2j+3k)+s(3i+2j+k)+t(2i+j+3k), s, t are scalars
3. r=(1-s-t)(2i+j+k)+s(i-j-k)+t(-i+j+2k), s, t are scalars
4. r=(1-s-t)(i-2j+5k)+s(-5j-k)+t(-3i+5j), s, t are scalars
r=(1-s-t)(i-2j+5k)+s(-5j+k)+t(-3i+5j), s, t are scalars
1. r=(1-s-t)(2a-b+3c)+s(-a+2b-4c )+t(-12a-b-3c), s, t are scalars
2. r=(1+s-t) (2a-b+3c)+s(-a+2b-4c )+t(-12a-b+3c),, s, t are scalars
3. r=(1-s+t) (2a-b+3c)+s(-a+2b-4c )+t(-12a-b-3c),, s, t are scalars
4. r=(1-s-t) (2a-b+3c)+s(-a+2b-4c )+t(-12a-b-3c), s, t are scalars
r=(1-s-t)(2a-b+3c)+s(-a+2b-4c )+t(-12a-b-3c), s, t are scalars