1. 0
2. 1
3. 2
4. 3
2
1. -1/2
2. 2
3. 1/2
4. none of these
1/2
1. X + 4y + 3 = 0
2. 2x – 3y + 4 = 0
3. 3x + 2y + 4 = 0
4. 4x - y – 1 = 0
4x - y – 1 = 0
1. 1/4
2. -1/4
3. 1/2
4. -1/2
-1/4
1. 49/3
2. -49/3
3. 47/3
4. -47/3
49/3
1. a1+a2+……+an
2. ( a1+a2+a3+……+an)
3. n(a1+a2+……+an)
4. none
none
1. 2x – 3y – 4 = 0
2. 2x – y – 2 = 0
3. 3x – y + 4 = 0
4. 5x – 4y + 24 = 0
2x – 3y – 4 = 0
1.
2.
3.
4. none of these
1. X = a
2. X + a = 0
3. Y = a
4. Y + a = 0
X + a = 0
1. 10
2. 0 negative non positive non negative
3. 2
4. none of these
0
negative
non positive
non negative