1.  1/2

2.  1

3.  √2

4.  2

4
Correct Answer :

1


Explanation :
No Explanation available for this question

1.  3

2.  -3

3.  6

4.  -6

4
Correct Answer :

-6


Explanation :
No Explanation available for this question

1.  a=-b

2.  b=-c

3.  c=-a

4.  b=a+c

4
Correct Answer :

b=-c


Explanation :
No Explanation available for this question

1.  2x2+3x+18=0

2.  x2+6x-9=0

3.  x2+6x+9=0

4.  x2-6x+9=0

4
Correct Answer :

x2+6x+9=0


Explanation :
No Explanation available for this question

1.  n(n-1)

2.  n(n+1)

3.  n2

4.  (n+1)2

4
Correct Answer :

n2


Explanation :
No Explanation available for this question

1.  (n-1)/n

2.  n/(n+1)

3.  (n+1)/(n+2)

4.  (n+1)/n

4
Correct Answer :

n/(n+1)


Explanation :
No Explanation available for this question

1.  0

2.  A2 + B2

3.  A2 + 2AB+ B2

4.  A + B

4
Correct Answer :

A2 + B2


Explanation :
No Explanation available for this question

1.  5

2.  25

3.  -5

4.  -25

4
Correct Answer :

25


Explanation :
No Explanation available for this question

1.  dm

2.  dm-1

3.  dm-2

4.  d

4
Correct Answer :

dm-1


Explanation :
No Explanation available for this question

1.  a + b + c

2.  0

3.  ac

4.  ad + bc

4
Correct Answer :

ac


Explanation :
No Explanation available for this question

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