Download App

Rational and Irrational Numbers — MATHEMATICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9MATHEMATICSRational and Irrational Numbers1 Mark
Question
Write a pair of irrational numbers whose difference is rational.
✓

Answer

$\sqrt5 - 3$ and $\sqrt5 + 3$ are irrational numbers whose difference is rational.
$( \sqrt5 - 3 ) - ( \sqrt5 + 3 ) <$
$= \sqrt5 - 3 - > \sqrt5 - 3$
$= -6$ which is rational.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[1 Mark Question Answer]" from Rational and Irrational Numbers→Rational and Irrational Numbers — all question types→MATHEMATICS STD 9 question papers→ICSE Board STD 9 question papers→ICSE Board question paper generator→

Similar questions

Convert the following fraction into a decimal$ : \frac{13}{25}$
→
find the value of $: \sin 30^{\circ} \cos 30^{\circ}$
→
State if the following is a surd. Give reasons.$\sqrt[3]{50} \cdot \sqrt[3]{20}$
→
Write the additive inverse of:
-7
→
Write the multiplicative inverse of:
$-18 \frac{1}{2}$
→
Express the following in the exponential form$:\log_{10} 0.001 = -3$
→
Separate the rational and irrational from among the following number:-
$2 . \overline{4}$
→
Without actual division, find which of the fractions are terminating decimal:
$\frac{9}{50}$
→
following variable are continuou and which are discrete:
Marks obtained by the students of a class in a test.
→
Name the smallest angle in each of these triangles:In $ \triangle PQR, PQ = 8.3\ cm, QR = 5.4\ cm $ and $PR = 7.2\ cm$
→