1. (2, 3)
2. (-2, 3)
3. (-2, -3)
4. (2, -3)
(2, -3)
1. null matrix
2. non sigular matrix
3. singular matrix
4. unit matrix
null matrix
1.
2.
3.
4.
1.
2.
3. (1/7)tan-1(tanx/2)+c
4. (1/4)tan-1(tanx/2)+c
1.
2.
3.
4.
1. log |1+cot(x/2)|+c
2. log |1-tan(x/2)|+c
3. log |1-cot(x/2)|+c
4. log |1-tan(x/2)|+c
log |1-cot(x/2)|+c
1. 6x - 4y - 7 = 0
2. 2x + 3y - 5 = 0
3. 3x - 2y + 5 = 0
4. 3x - 2y + 10 = 0
3x - 2y + 5 = 0
1. a + b = 0
2. h = 0
3. h ≠ 0, a + b = 0
4. a + b ≠ 0
h = 0
1. 2θ
2. θ/2
3. θ/3
4. θ
θ