is equal to:

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

If xy=(x + y)n and dy/dx=y/x, then n is equal to

1. 1

2. 2

3. 3

4. 4

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Correct Answer :

Explanation :
No Explanation available for this question

The distance moved by the particle in time t is given by s=t3-12t2+6t+8.At the instant when its acceleration is zero. the velocity is

1. 42

2. -42

3. 48

4. -48

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Correct Answer :

-42

Explanation :
No Explanation available for this question

The angle between the curves y2=4x, x2=4y at (4, 4) is

1. tan-1(1/2)

2. tan-1(3/4)

3. π/2

4. π/4

View Answer

Correct Answer :

tan^-1(3/4)

Explanation :
No Explanation available for this question

If l2 + m2 = 1, then the maximum value of l + m is

1. 1

2. ∞

3. 1/√2

4. √2

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Correct Answer :

√2

Explanation :
No Explanation available for this question

The minimum value of xx is

1. e

2. ex

3. e-1/e

4. e1/e

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Correct Answer :

e^-1/e

Explanation :
No Explanation available for this question

Area of the triangle formed by the normal to the curve x=esinv at (1, 0) with the co-ordinate axes is

1. 1sq unit

2. 1/4 sq unit

3. 1/2 sq unit

4. 3/4 sq unit

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Correct Answer :

1/2 sq unit

Explanation :
No Explanation available for this question

is equal to:

1. 2n/2 ex cos (x + nπ/4)

2. 2n/2 ex cos (x -nπ/4)

3. 2n/2 ex sin (x+ nπ/4)

4. 2n/2 ex cos (x - nπ/4)

View Answer

Correct Answer :

2^n/2e^xsin (x+ nπ/4)

Explanation :
No Explanation available for this question

If u= loge(x2+y2) + tan-1(y/x), then is equal to:

1. 0

2. 2a

3. (1/2)u

4. u

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

1. (1/2) cot u

2. 3 cot u

3. 2 cot u

4. -(1/2) cot u

View Answer

Correct Answer :

-(1/2) cot u

Explanation :
No Explanation available for this question

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