Severity: Warning
Message: fopen(/var/lib/php/sessions/ci_session0n9ih9ercdkcks5j6785gknlbaji8lde): 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
Let the number be a and b .
Then a2 + b2 = 68 ....(i)
and (a - b)2 = 36
Now, (a - b)2 = 36 ....(ii)
⇒ a2 + b2 - 2ab = 36
⇒ 68 - 2ab = 36
⇒ 2ab = 32
⇒ ab = 16 .
