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Real Numbers Exercise 1.2.5 – Class IX

1. Represent √𝟖, √𝟏𝟎 and √𝟏𝟑 on the number line. Solution: Representation of √8: Let O be the origin on the line l. Let A be on the line such that OA = 2. Draw AP perpendicular to OA at A such that  AP = 2.  In Δ AOP, by Pythagoras' theorem, we have, OP² = AP² + OA² OP² = 2² + 2² = 4 + 4… Continue reading Real Numbers Exercise 1.2.5 – Class IX

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9th mathematics exercise question with answer

Real Numbers Exercise 1.2.3 – Class IX

1. Find 5 irrational numbers between 4 and 5. Solution: The numbers a = 4.101001000…. b = 4.02002000….. c = 4.303003000…… d = 4.404004000…… e = 4.05005000….. Are 5 irrational numbers between 4 and 5 since 4 < a < b < c < d < e < 5 2. Find 6 rational numbers between… Continue reading Real Numbers Exercise 1.2.3 – Class IX

9th mathematics exercise question with answer

Real Numbers – Full Chapter – Class IX

We have studied Rational Numbers and their properties. Every rational number is of the form p/q, where p is an integer and q is a natural number; like 3/5, 1/3, -7/11. We also know how to add two rational numbers and how to multiply two rational numbers. In this chapter let us study Real Numbers in… Continue reading Real Numbers – Full Chapter – Class IX