1. 1
2. 2
3. -1
4. -2
2
1. 900
2. 600
3. 450
4. 300
600
1. 4 : 1
2. 3 : 1
3. 2 : 1
4. 1 : 1
1 : 1
1. 113
2. 226
3. 143
4. 246
226
1. cosec (x+y) + tan (x+y) = x+c
2. x + cosec (x+y) = c
3. x + tan (x+y) = c
4. x + sec (x+y) = c
x + cosec (x+y) = c
1. y'" + 3y" + 3y' + y = 0
2. y'" + 3y" - 3y' - y = 0
3. y'" - 3y" - 3y' + y = 0
4. y'" - 3y" + 3y' - y = 0
y\'\" - 3y\" + 3y\' - y = 0<br>
1. Both I and II are true.
2. I is true, II is false.
3. I is false, II is true.
4. Both I and II are false.
I is true, II is false.
1. [1 , 12]
2. [12 , 34]
3. [35 , 50]
4. [-12 , 12 ]
[12 , 34]
1. 75/60
2. 155/60
3. 176/60
4. 191/60
191/60
1. (h(tan β – tan α))/tan β
2. (h(tan α – tan β))/tan α
3. (h(tan β + tan α))/tan β
4. (h(tan β + tan α))/tan α
(h(tan β – tan α))/tan β