# e-x(c1√(3x)+c2 sin √(3x))+c2e2x is the general solution of

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# Equation x(1+y2)dx+tan-1ydy=0 is satisfied by

1.  y=tan√(c-x2)

2.  (tan-1 y)2+2x2=c

3.  Tan-1y=x2+c

4.  Tan-1y-2x2=c

4

y=tan√(c-x2)

Explanation :
No Explanation available for this question

# If I1,I2 are integrating factors of the equations xy’+2y=1 and xy’-2y=1 then

1.  I1=-I2

2.  I1I2=x2

3.  I1=x2 I2

4.  I1I2=1

4

I1I2=1

Explanation :
No Explanation available for this question

# Integrating factor of the equation y’-(tan y/1+x)=(1+x)ex sec y is

1.  1/1+x

2.  -1/1+x

3.  ex/1+x

4.  ex+1

4

1/1+x

Explanation :
No Explanation available for this question

# Solution curve of the equation y’=2-y/x which passes through the point (1,2) is given by

1.  y=x+1/x

2.  y=x-1/x

3.  y2=x+1/x+2

4.  y=x2-x+2

4

y=x+1/x

Explanation :
No Explanation available for this question

# Rank of the matrixis

1.  0

2.  1

3.  2

4.  3

4

3

Explanation :
No Explanation available for this question

# Rank of the diagonal matrixis

1.  1

2.  2

3.  3

4.  4

4

4

Explanation :
No Explanation available for this question

# Rank of the matrixis

1.  0

2.  1

3.  3

4.  4

4

3

Explanation :
No Explanation available for this question

# Eigen values of the matrixare

1.  1,1,1

2.  1,1,2

3.  1,4,4

4.  1,2,4

4

1,4,4

Explanation :
No Explanation available for this question

# Rank of the followingmatrix, where a is a real number,is

1.  1

2.  2

3.  n

4.  Dependent upon the value of A

4