1 + xlogea + (x2/2! )(logea)2 + (x2/3! )(logea)4 + …….(a > 0, x ε R) =

1.  a

2.  ax

3.  

4.  x

View Answer  
4
Correct Answer :

ax


Explanation :
No Explanation available for this question

is equal to :

1.  0

2.  1

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

1+(1+2)/2!+(1+2+22)/3!+(1+2+22+23)/4!+ ....... =

1.  e2+e

2.  e2

3.  e2-1

4.  e2-e

View Answer  
4
Correct Answer :

e<sup>2</sup>-e


Explanation :
No Explanation available for this question

The derivative of sin-1x with respect to cos-1√(1 – x2) is

1.  0

2.  1

3.  cos-1x

4.  sin-1x

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

If x = θ-(1/θ) and y = θ+(1/θ),then dy/dx is equal to

1.  x/y

2.  y/x

3.  -x/y

4.  -y/x

View Answer  
4
Correct Answer :

x/y


Explanation :
No Explanation available for this question

If (1+√3i)/2 is a root of the equation x4-x2+x-1

1.  1, 1

2.  -1, -1

3.  1, 2

4.  +1, -1

View Answer  
4
Correct Answer :

+1, -1


Explanation :
No Explanation available for this question

If y = xx ,then dy/dx is equal to

1.  xx

2.  xx log x

3.  xx (1+logx)

4.  xx/log x

View Answer  
4
Correct Answer :

x<sup>x</sup> (1+logx)


Explanation :
No Explanation available for this question

Ifdet A =

1.  2

2.  3

3.  4

4.  5

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

If z = x+iy is a complex number satisfying |z+(i/2)|2 = |z-(i/2)|2, then the locus of z is 

1.  x-axis

2.  y-axis

3.  y = x

4.  2y = x

View Answer  
4
Correct Answer :

x-axis


Explanation :
No Explanation available for this question

1.  -3 -5i

2.  -3+5i

3.  3-5i

4.  3+5i

View Answer  
4
Correct Answer :

3+5i


Explanation :
No Explanation available for this question
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