Tod 10.11.2017

Q1.

5/12
12/5
5/7
7/5

Solution:

Q2.

5
1/5
3
1/3

Solution:

Q3.

-√3
-1
1
√3

Solution:

Q4.

14
13
15
10

Solution:

Q5.

1/2
-1
-1/2
-1/6

Solution:

Q6.

2.4
3.2
4
5

Solution:

Q7.

1
3
1/2
2

Solution:

Q8.

0
-√2
-2
3√2

Solution:

Q9.

4
5
6
8

Solution:

Q10.

2
3
4
9

Solution:

Q11.

1
2
3
4

Solution:

Q12. If (a – 1)² + (b+ 2)² + (c+ 1)² = 0, then the value of 2a – 3b + 7c is

12
3
-11
1

Solution:

Q13.

1/4
1/6
1/5
1/7

Solution:

Q14.

–1
0
1
2

Solution:

Q15. If a, b, c are real and a² + b² + c² = 2(a- b- c) – 3, then the value of 2a – 3b + 4c is

-1
0
1
2

Solution:

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