Severity: Warning
Message: fopen(/home/answnniz/public_html/system/sessions/ci_session60ddd103cc963be47b73e822bab54595c46be908): failed to open stream: Disk quota exceeded
Filename: drivers/Session_files_driver.php
Line Number: 176
Backtrace:
File: /home/answnniz/public_html/index.php
Line: 315
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /home/answnniz/public_html/system/sessions)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home/answnniz/public_html/index.php
Line: 315
Function: require_once
Question A1 (3 marks) Given the function
f(x,y)=(x^(2)-y^(2))/(x^(2)+y^(2)),(x,y)!=(0,0)determine whether
f(x,y)is continuous at
(0,0)by evaluating its limit along the following paths:
y=0,y=x,y=2xand
y=x^(2).