# If Two angles of a triangle are 300, 450 and the included side is √3+1, then the remaining sides are

1.  2,√2

2.  2,2√3

3.  √2,4

4.  2,4√3

4

2,√2

Explanation :
No Explanation available for this question

# The equation of the tangent to the ellipse 3x2+2y2=30 at (-2, 3) is x-y+5=0 II: The equation of the normal to the ellipse x

1.  Only I is true

2.  Only II is true

3.  both I and II are true

4.  neither I nor II true

4

both I and II are true

Explanation :
No Explanation available for this question

# In a triangle, if the sum of two sides is x and their product is y such that (x+z) (x-z) =y where z is the third side of the triangle then the triangle is

1.  equilateral

2.  right angled

3.  obtuse angled

4.  none

4

obtuse angled

Explanation :
No Explanation available for this question

# I: The locus of poles of chords of the ellipse x2/a2+y2/b2=1  which touch the parabola y2= 4px is p a2y2+b4x=0

1.  Only I is true

2.  Only II is true

3.  both I and II are true

4.  neither I nor II true

4

both I and II are true

Explanation :
No Explanation available for this question

# If 4,5 are two sides of a triangle and the included angle is 600, then is area is

1.  3

2.  5

3.  5√3

4.  3√3

4

5√3

Explanation :
No Explanation available for this question

1.  m/n

2.  n/m

3.  m2/n2

4.  n2 /m2

4

m2/n2

Explanation :
No Explanation available for this question

# If 13,14,15 are the sides of a triangle, then the area of a triangle in sq.unit is

1.  84

2.  72

3.  56

4.  68

4

84

Explanation :
No Explanation available for this question

# In ΔABC , if, a=2, B=1200, C=300, then the area of the triangle is

1.  2√3

2.  √3

3.  √3/2

4.  4√3

4

√3

Explanation :
No Explanation available for this question

# In ΔABC , if c2= a2+b2, 2s= a+b+c, then 4s (s-a) (s-b) (s-c) =

1.  s4

2.  b2c2

3.  c2a2

4.  a2b2

4

a2b2

Explanation :
No Explanation available for this question

1.  (1,10)

2.  (1,-10)

3.  (10,1)

4.  (2,-10)

4