Severity: Warning
Message: fopen(/home/answnniz/public_html/system/sessions/ci_session4ca74a82b66eb7f0265adce34888dc7ce3787d44): 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
Problem 2. For each
ninN, let
F_(n)be the
n^(th )Fibonacci number. So,
F_(1)=F_(2)=1, and for all
n>=2,F_(n+1)=F_(n)+F_(n-1). Prove that for each
ninN,
F_(1)+F_(3)+F_(5)+dotsF_(2n-1)=F_(2n).