1.   20 m

2.  30 m

3.  40 m

4.  60 m

4

20 m

Explanation :
No Explanation available for this question

1.  a2 (e4Sec2θ + 1)

2.  a2 (e4Sec2θ – 1)

3.  b2 (e4Sec2θ + 1)

4.   b2 (e4Sec2θ – 1)

4

a2 (e4Sec2θ – 1)

Explanation :
No Explanation available for this question

If the d.c’s (l, m, n) of two lines are related as l + m + n=0, 2lm – mn + 2nl=0 then the between the lines is

1.   300

2.  450

3.  900

4.  1200

4

1200

Explanation :
No Explanation available for this question

1.   x2 + x + 1=0

2.  x2 - x + 1=0

3.  x2 +c x + ab=0

4.  x2 - c x + ab=0

4

x2 +c x + ab=0

Explanation :
No Explanation available for this question

1.  1/3

2.  4/3

3.  5/3

4.  2/3

4

2/3

Explanation :
No Explanation available for this question

1.  27

2.  26

3.  25

4.  24

4

25

Explanation :
No Explanation available for this question

1.   x + 5y + 5=0

2.  x + 5y ± √2 = 0

3.  x + 5y ± √5 = 0

4.  x + 5y ± 5√2 = 0

4

x + 5y ± 5√2 = 0

Explanation :
No Explanation available for this question

1.  2√7

2.  √7

3.  4√7

4.  8√7

4

2√7

Explanation :
No Explanation available for this question

1.  2√7

2.  √7

3.  4√7

4.  8√7

4

2√7

Explanation :
No Explanation available for this question

1.  xyy2 + xy12 + yy1=0

2.  xyy2 - xy12 + yy1=0

3.  xyy2 + xy12 - yy1=0

4.  xyy2 - xy12 - yy1=0

4