Severity: Warning
Message: fopen(/var/lib/php/sessions/ci_sessionupivhh5j96olvsoqiegnk8n3ri04qfic): failed to open stream: No space left on device
Filename: drivers/Session_files_driver.php
Line Number: 176
Backtrace:
File: /var/www/interviewmania.com/index.php
Line: 315
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /var/lib/php/sessions)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /var/www/interviewmania.com/index.php
Line: 315
Function: require_once
Given, x + a/x = 1
⇒ x2 + a = x .................(i)
⇒ x2 - x = -a ................(ii)
Now, ( x2 + x + a ) / ( x3 - x2)
( x2 + a + x ) / ( x3 - x2)
= ( x + x )/ x(x2 - x) [from Eq. (i)]
= 2x/x(-a) [from Eq. (ii) ]
= 2/-a
= -2/a
