1. 21/5
2. 1/3
3. 5/3
4. -2
-2
1. 29/37
2. -29/37
3. -27/37
4. -28/37
-29/37
1. Exactly one value of p
2. Exactly two values of p
3. More than two values of p
4. No value of p
Exactly one value of p
1. b=3a
2. a=3b
3. a+3b=0
4. b+3a=0
a=3b
1.
2.
3.
4. None
None
1. π/3
2. π/2
3. tan-1(l2-m2/ l2+m2)
4. tan-1(l2-m2/ l2+m2)
π/2
1. π/6
2. π/4
3. π/3
4. π/2
π/2
1. cos-1(4/√17), cos-1(13/√170), π+ cos-1(3/√10)
2. cos-1(4/√17), cos-1(13/√170), π- cos-1(3/√10)
3. cos-1(2/√5), π/2,-π/2- cos-1(2/√5)
4. cos-1(2/√5), π/2,-π/2+cos-1(2/√5)
cos-1(4/√17), cos-1(13/√170), π- cos-1(3/√10)
1. 0
2. π/4
3. tan-1(a/b)
4. 2 tan-1(b/a)
2 tan-1(b/a)
1. Form an equilateral triangle
2. are concurrent
3. Form an isosceles triangle
4. Right angled triangle
are concurrent