1. The domain of the function f(x) =
x
2+3x+5
x
2−3x+2
is
(a) (1,2) (b) [1,2] (c) R-{1,2} (d) R- (1,2)
2. Solve for x : 5−2x
3
≤
x
6
− 10
(a) x ≤ −14 (b) x ≥ 14 (c) x ≤ 14 (d) x ≥ −14
3. In a G.P. , the 3rd
term is 24 and the 6th term is 192. Then the 1
st term is
(a) 2 (b) 4 (c) 6 (d) 8
4. If 2 =
2+
2+1
2
, find x+y
a) 0 b) 1 c) 2 d) 3
5. If lies in the 3rd quadrant and 3 − 4 = 0,then 3 + 4 is equal to:
a. 0 c.
24
5
b. −
24
5
d. 48
5
6. The value of sin(1125o
) is
(a) 1
√2
(b) −
1
√2
(c) 1
2
(d) √3
2
7. If a set A has 4 elements, then the number of subsets of A is
(a) 16 (b) 9 (c) 8 (d) 512
8. The value of |
1+
1−
| is
(a) 1 (b) 2 (c) √2 (d) √3
9. Let A = {1, 2} . Then the total number of relations from A to itself is
(a) 4 (b) 8 (c) 2 (c) 16
10. If A+B+C = 180o
, then tan+tan+tan
tantan tan
is equal to
a) tan tan tan c) 0
b) 1 d) none of these
Answers
Answered by
1
QUETION1. OPTION A
QUETION2. OPTION A
QUETION3. OPTION C
QUETION4. OPTION B
QUETION5.OPTIONB
Answered by
31
Answer:
let the number be x
(-6)^-1 * x = ( 9 )^-1
= > 1 / 6 * x = 1 / 9
= > x = 1 / 3 x ( - 2 ) / 1
= > - 2 / 3 .
Explanation:
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