Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

Show that the product of  2 irrational numbers need not be irrational giving examples.
Asked by seeni2005 | 19 Jun, 2016, 09:24: AM
answered-by-expert Expert Answer
begin mathsize 12px style Consider space the space following space examples. 1. space square root of 5 space and space square root of 10 space are space two space irrational space numbers square root of 5 space cross times space square root of 10 space equals space square root of 50 space which space is space irrational 2. space space square root of 2 space and space square root of 8 square root of 2 space cross times space square root of 8 space equals space square root of 16 equals 4 space which space is space rational 3. space space square root of 12 space and space square root of 3 square root of 12 space cross times space square root of 3 space equals space square root of 36 equals 6 space which space is space rational Thus comma space the space product space of space two space irrational space numbers space can space be space irrational space or space rational. end style
Answered by Rebecca Fernandes | 19 Jun, 2016, 12:13: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
prove that 7root 5 is irrational
Asked by srasheeda771 | 29 Jun, 2024, 08:33: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
What is the LCM of 234 and 877
Asked by boralpritam188 | 12 Jun, 2024, 15:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
5th q
question image
Asked by tanishkagurung | 11 Jun, 2024, 11:38: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Two alarm clocks ring their alarms at regular intervals of 50 sec. and 48 sec. If they first beep together at 12 noon at what time will they beep again for the first time
Asked by sanyamkhurana819 | 06 Jun, 2024, 17:58: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
multiply 8 root 15 by 2 root 3
Asked by bhumikabhardwaj2204 | 02 Jun, 2024, 05:56: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
If n is a natural number, then 2(5n+6n)always ends with
Asked by pimpleroshan2009 | 24 May, 2024, 13:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
express 15.265 in p/q form?
Asked by nagalaxmidurgarao937 | 08 Apr, 2024, 13:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
if a,b,c are rational such that a+b?2+c?3=0 then a+b+c=
Asked by reddyjaswamth | 10 Jan, 2024, 13:49: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
what per cent of 2/9 is 1/3
Asked by pv925403 | 07 Jan, 2024, 19:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
solution
question image
Asked by meelunaresh | 02 Jan, 2024, 10:09: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Are You a Teacher or a Parent Seeking Customised Tests? Click here
×