Menu Close

x-2-x-2-x-2-OR-x-2-x-2-x-2-

Tinku Tara 0 Comments
Pin




Question Number 113931 by Rasheed.Sindhi last updated on 16/Sep/20
∣ x ∣=2⇒ x=2 ∨ x=−2 OR ∣ x ∣=2⇒ x=2 ∧ x=−2 ?
∣x∣=2⇒x=2∨x=−2OR∣x∣=2⇒x=2∧x=−2?
Commented by bemath last updated on 16/Sep/20
or sir. hihihi x = 2 or −2 because ∣x∣ = { ((x ; if x≥0)),((−x; if x< 0)) :}
orsir.hihihix=2or−2because∣x∣={x;ifx⩾0−x;ifx<0
Commented by Rasheed.Sindhi last updated on 16/Sep/20
Thanks miss beemath ��
Answered by MJS_new last updated on 16/Sep/20
x=2∧x=−2 is false because a=b∧a=c ⇒ b=c we write x=2∨x=−2 but we should write x=2 xor x=−2 because “∨” excludes only “none of both” a b a∧b a∨b a xor b 1 1 1 1 0 1 0 0 1 1 0 1 0 1 1 0 0 0 0 0 where 1 means true and 0 means false
x=2∧x=−2isfalsebecausea=b∧a=c⇒b=cwewritex=2∨x=−2butweshouldwritex=2xorx=−2because“∨″excludesonly“noneofboth″aba∧ba∨baxorb11110100110101100000where1meanstrueand0meansfalse
Commented by Rasheed.Sindhi last updated on 16/Sep/20
T_(HNKS ) S_(IR ) MJS for a detailed answer! Felt difference in the forum after your being active!
THNKSSIRMJSforadetailedanswer!Feltdifferenceintheforumafteryourbeingactive!
Commented by bemath last updated on 16/Sep/20
super..==
super..==

Pin

Leave a Reply

Your email address will not be published. Required fields are marked *