Generate Quiz 69F67A965D1D6

1 / 10

sin²x-cosh²x=

-1

1

0

cosh2x

2 / 10

the average value of an even positive function is

+ve

-ve

+ve or -ve

none of these

3 / 10

The additive inverse of ((3, 3)) in ( mathbb{C} ) is:

((3, 0))

((0, 3))

((-3, 3))

((-3, -3))

4 / 10

A1-1 correspondence can be established between two sets A and B the they are called

equal sets

over lapping sets

equivalent sets

disjoint sets

5 / 10

If a > 0 and b < 0, then ab is

Positive (+)

Negative (-)

Zero (0)

Cannot be determined

6 / 10

∀ z ∈ C , z + z̄ is:

2Re (z)

Re (z)

2lm (z)

Im (z)

7 / 10

if a,b ∈ G (G is a group under*)then solution of equation a*x=b is

x=b*a-1

x=a-1 *b

x=b*1/a

all of these

8 / 10

There are 30 students In a class 22 study mathematics, 16 study physics and two studying neither mathematics nor Physics. The number of students who study both mathematics and physics are

12

5

10

8

9 / 10

If z = x + ίy lies in the III quadrant then z̄ / z also lies in the III quadrant if:

x > y > 0

x < y < 0

y < x < 0

y > x > 0

10 / 10

the operation “*” in a group G is defined by x*y =3xy then identify element w.r.t “*” is

1

0

e

1/3

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