# Let be the position vectors of the vertices A,B,C respectively of ∆ABC.The vector area of ∆ABC is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.  0

2.  1

3.  2

4.  3

4

0

Explanation :
No Explanation available for this question

1.  1

2.  eb-a

3.  ea-b

4.  eb

4

e<sup>a-b</sup>

Explanation :
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1.  log10

2.  2log10

3.  3log10

4.  4log10

4

2log10

Explanation :
No Explanation available for this question

# If and f is continuous at x=5, then f(5) is equal to:

1.  0

2.  5

3.  10

4.  25

4

0

Explanation :
No Explanation available for this question

# is equal to:

1.  h(x)

2.  1/h(x)

3.  1+log h(x)

4.  -log h(x)

4

1+log h(x)

Explanation :
No Explanation available for this question

# is equal to:

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# If yk is the Kth derivative of y with respect to 'x', and y = cos (sin x), then y1sinx + y2cosx is equal to:

1.  ysin3x

2.  -ysin3x

3.  ycos3x

4.  -ycos3x

4

-ycos3x

Explanation :
No Explanation available for this question

# is equal to:

1.  0.3

2.  0.5

3.  0.8

4.  0.9

4

0.9

Explanation :
No Explanation available for this question

1.  2

2.  3

3.  4

4.  5

4