1.  0

2.  1/2

3.  -1/2

4.  -1

4
Correct Answer :

-1/2


Explanation :
No Explanation available for this question

1.  (2/3)i-(1/3)j+(2/3)k

2.  (2/5)i-(1/5)j+(2/5)k

3.  (2/√3)i-(1/√3)j+(2/√3)k

4.  -(2/√3)i-(1/√3)j-(2/3)k

4
Correct Answer :

(2/3)i-(1/3)j+(2/3)k


Explanation :
No Explanation available for this question

1.  √23 sq unit

2.  √21 sq unit

3.  √29 sq unit

4.  √33 sq unit

4
Correct Answer :

√29 sq unit


Explanation :
No Explanation available for this question

1.  1

2.  -1

3.  0

4.  2

4
Correct Answer :

-1


Explanation :
No Explanation available for this question

1.  70

2.  60

3.  50

4.  none of these

4
Correct Answer :

60


Explanation :
No Explanation available for this question

1.  y(x2-y2) / (x2+y2)

2.  x(y2+x2) / (y2-x2)

3.  x(x2+y2) / (x2-y2)

4.  x(x2-y2) / (x2+y2)

4
Correct Answer :

x(y<sup>2</sup>+x<sup>2</sup>) / (y<sup>2</sup>-x<sup>2</sup>)


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  0

2.  1

3.  x+y+z

4.  1+x+y+z

4
Correct Answer :

0


Explanation :
No Explanation available for this question

1.  8/5

2.  5/8

3.  -8/5

4.  -5/8

4
Correct Answer :

-8/5


Explanation :
No Explanation available for this question

1.  3/2

2.  3

3.  -3

4.  0

4
Correct Answer :

3/2


Explanation :
No Explanation available for this question

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