Question

is truely that
is natural number then circumference is the
decimal form or if circumference is natural
number then diameter is a decimal number
therefore we can say that the ratio
From (i), (ii) and (iii)
Integer = Fraction
Thus our assumption is wrongful.
So, V6 is not a rational number.
Example 8. Why it is an irrational number?
Solution : We know that the ratio of circumference of a
circle to length of its corresponding diameter is
known as it (pie) i.e..it 등
d
arrive in the form of where p and a both are
integers and q +0. So it is truely that the ratio
Leit can never be rational, hence is always
an irrational number.
3 2
dit iſ
Exercise 1.3
Very Short Answer Type Questions
5. Prove that the following are irrationals:
7. Prove that 15 is irrational.
INCERT]
Prove that 3V11 is an irrational number.
Prove that 3+2V5 is irrational.
INCERT]
Short Answer Type Questions
4. Prove that 3 + V5 is irrational. INCERT Exemplar]
2
( 6+
6. Prove that 3-58 is an irrational number
7. If p,q are prime positive integers, prove tha
is an irrational number. INCERT
9
REVISITING RATIONAL NUMBER AND THEIR DECIMAL EXPANSIONS
In class IX, you have studied that irrational numbers have either a terminating decimal expansion or a
repeating decimal expansion. In this class, we are going to consider a rational number, say 2 (4+0), an
f P is terminating and when it is non-terminating repeating (or recur​

Answer 1

Answer:

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