# The minimum value of x2-8x+17,xєR,is

1.  17

2.  1

3.  -1

4.  2

4

1

Explanation :
No Explanation available for this question

# If the system of equations 3x-2y+z = 0,λx-14y+15z = 0,x+2y-3z = 0 Have non-zero solution ,then λ is equal to

1.  1

2.  0

3.  3

4.  5

4

5

Explanation :
No Explanation available for this question

# If a+b+c=0,then one root of = 0 is

1.  a+b

2.  0

3.  b+c

4.  a+c

4

a+c

Explanation :
No Explanation available for this question

# The inverse of the matrix is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# xyyzzx = a,constant then dz/dx is equal to

1.

2.

3.  xyyy

4.  xzyzz

4

Explanation :
No Explanation available for this question

# =

1.  cotz

2.  (1/2) tanz

3.  (1/2)cotz

4.  tanz

4

(1/2) tanz

Explanation :
No Explanation available for this question

# The equation of a circle with centre (4,1) and having 3x+4y-1=0 as tangent,is

1.  x2+y2-8x-2y-8=0

2.  x2+y2-8x-2y+8=0

3.  x2+y2-8x+2y-8=0

4.  x2+y2-8x-2y+4=0

4

x<sup>2</sup>+y<sup>2</sup>-8x-2y+8=0

Explanation :
No Explanation available for this question

# The locus of point of intersection of perpendicular tangents to the circle x2+y2=a2

1.  x2+y2=2a2

2.  x2+y2=4a2

3.  x2+y2=6a2

4.  x2+y2=8a2

4

x<sup>2</sup>+y<sup>2</sup>=2a<sup>2</sup>

Explanation :
No Explanation available for this question

# The pole of line 8x-2y=11 with respect to the circle 2x2+2y2=11 is

1.  (4,1)

2.  (4,-1)

3.  (3,1)

4.  (4,2)

4

(4,-1)

Explanation :
No Explanation available for this question

# The radical axis of circles x2+y2-6x-4y-44=0 and x2+y2-14x-5y-24=0

1.  8x+y-30=0

2.  8x+y+20=0

3.  8x+3y-20=0

4.  8x+y-20=0

4

8x+y-20=0

Explanation :
No Explanation available for this question

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