cbse-class-9-maths-solutions-number-systems-ex-15-ncert-class-9-maths-solutions

# Interactive video lesson plan for: CBSE Class 9 Maths solutions Number Systems Ex 1.5 | NCERT Class 9 maths solutions

#### Activity overview:

CBSE Class 9 maths solutions Number systems Ex 1.5 | NCERT Class 9 maths solutions

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06:54 (iv) Product of irrational numbers.

Q3. Recall, p is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is, c/d = pi.This seems to contradict the fact that p is irrational. How will you resolve this contradiction?

Q4. Represent sqrt(9.3) on the number line.

08:09 Q5. Rationalise the denominators of the following:
08:20 (i) Rationalise the denominator of irrational 1 / sqrt(7)
09:22 rationalising factor of surd 1/sqrt(7)
09:43 (ii) Rationalise the denominator of irrational 1 / (sqrt(7)-sqrt(6))
10:17 rationalising factor of surd 1 / (sqrt(7)-sqrt(6))
12:38 (iii)Rationalisation Of A Surd / Radical '1 / (sqrt(5)+sqrt(2))'
13:04 rationalising factor of surd '1 / (sqrt(5)+sqrt(2))'
15:04 (iv) Rationalise the denominator of irrational 1 / sqrt(7)-2

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Rational numbers | Irrational numbers | Rationalization | Real line | Real numbers

NCERT Solutions Class 9 Maths Chapter 1 Number Syatems
CBSE class 9 maths NCERT Solutions Chapter 2 Number Syatems Exercise 1.2
NCERT solutions for CBSE class 9 maths Number Syatems
ICSE class 9 maths Number Syatems
Common core Math Number Syatems

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