Question

1. The rationalizing factor of 213 is:
a) V2
d) None of these
b) 3
c) V3
2. The set of collection of rational and irrational numbers is called
a) Integers
b) Natural numbers c) Whole numbers
3. The mixed surd of V18 is:
d) Real numbers
a) 213
b) 3V2
c) V
d) 62
4. The sum of 3+ 15 and 3-V5 is:
c) 6
d) 6-215
a) 11
b) 6+2.5
5. The rationalizing factor of 6-217 is:
a) 6+2V7
b) 6-27
c) 6+
d) 6-5​

Answer 1

Answer:

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Answer 2

The rationalizing factor of 213 is:

a) V2

d) None of these ✅ ( It's answer will be 2√3/3)

b) 3

c) V3

2. The set of collection of rational and irrational numbers is called

a) Integers

b) Natural numbers

c) Whole numbers

d) Real numbers ✅

3. The mixed surd of V18 is:

a) 213

b) 3√2 ✅

c) V

d) 62

4. The sum of 3+ 15 and 3-V5 is:

c) 6

d) 6-215

a) 11

b) 6+2.5

• I think the options are wrong.

5. The rationalizing factor of 6-217 is:

a) 6+2V7 ✅

b) 6-27

c) 6+

d) 6-5