Ask a Doubt
Request a call back

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

JEE Class main Answered

The range of sgn(2^x) + sgn(Ix-5I) is ?
Asked by hrajput0322 | 11 Jun, 2019, 12:06: PM
answered-by-expert Expert Answer
s g n space x equals open curly brackets table row cell 1 comma space space space x greater than 0 end cell row cell 0 comma space space space x equals 0 end cell row cell negative 1 comma space x less than 0 end cell end table close 2 to the power of x space i s space a l w a y s space g r e a t e r space t h a n space 0 space i. e. space 2 to the power of x greater than 0 space f o r space a l l space x element of R rightwards double arrow s g n left parenthesis 2 to the power of x right parenthesis equals 1 vertical line x minus 5 vertical line equals 0 space f o r space x equals 5 space a n d space vertical line x minus 5 vertical line greater than 0 space f o r space a l l space x element of R minus open curly brackets 5 close curly brackets rightwards double arrow s g n left parenthesis 2 to the power of x right parenthesis equals 0 space o r space 1 rightwards double arrow s g n left parenthesis 2 to the power of x right parenthesis plus s g n left parenthesis vertical line x minus 5 vertical line right parenthesis equals 1 space o r space 2 space rightwards double arrow s g n left parenthesis 2 to the power of x right parenthesis plus s g n left parenthesis vertical line x minus 5 vertical line right parenthesis element of left curly bracket 1 comma 2 right curly bracket H e n c e comma space t h e space r a n g e space o f space s g n left parenthesis 2 to the power of x right parenthesis plus s g n left parenthesis vertical line x minus 5 vertical line right parenthesis space i s space left curly bracket 1 comma 2 right curly bracket.
Answered by Renu Varma | 11 Jun, 2019, 12:52: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
JEE main - Maths
answer
question image
Asked by kantarathi293 | 04 May, 2024, 11:16: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
X²+2X-3≤0 solve following inequalities over the set of real number 
Asked by aniyoggavhane38 | 03 May, 2024, 09:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
let (-2-i/3) ^3
question image
Asked by priyadharshinigopinath27 | 03 May, 2024, 08:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
maths sum
question image
Asked by keerthananukala2007 | 02 May, 2024, 11:32: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
I didn't understand thid
question image
Asked by amrutmasaguppi1108 | 01 May, 2024, 11:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
the probability of attending a conference is 0.5, and the probability of attending a workshop is 0.3. if 40% of conference attendees also attend workshops, what is the probability that a student attends a workshop given that they attended a conference?
Asked by ms9876tr | 28 Apr, 2024, 12:05: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
a+bx e power of y/x =x then d square y by dx square
Asked by jameelmohd765 | 27 Apr, 2024, 10:23: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
find
question image
Asked by komuravellysravanthi4 | 26 Apr, 2024, 02:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
solution please
question image
Asked by piyurawriya | 24 Apr, 2024, 12:46: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
answer
question image
Asked by piyurawriya | 23 Apr, 2024, 02:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×