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CBSE Class 11-science Answered

Solve for xelement ofR:
question image
Asked by dineshchem108 | 01 Sep, 2018, 10:43: AM
answered-by-expert Expert Answer
begin mathsize 18px style open vertical bar straight x squared minus 2 straight x close vertical bar plus open vertical bar straight x minus 4 close vertical bar greater than open vertical bar straight x squared minus 3 straight x plus 4 close vertical bar
open vertical bar straight x squared minus 2 straight x close vertical bar plus open vertical bar straight x minus 4 close vertical bar greater than open vertical bar straight x squared minus 2 straight x minus open parentheses straight x minus 4 close parentheses close vertical bar
we space know
open vertical bar straight a close vertical bar plus open vertical bar straight b close vertical bar greater or equal than open vertical bar straight a minus straight b close vertical bar comma space if space ab less than 0
open parentheses straight x squared minus 2 straight x close parentheses open parentheses straight x minus 4 close parentheses less than 0
straight x open parentheses straight x minus 2 close parentheses open parentheses straight x minus 4 close parentheses less than 0
by space wavy space curve space method
minus infinity space left parenthesis negative space region right parenthesis space 0 space open parentheses positive space region close parentheses space 2 space left parenthesis negative space region right parenthesis space 4 space open parentheses positive space region close parentheses space infinity
straight x space element of space left parenthesis negative infinity comma 0 right parenthesis union left parenthesis 2 comma 4 right parenthesis end style
Answered by Arun | 04 Sep, 2018, 03:44: PM

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