Encrypted and Decrypted using md5

<?php  echo 'Input = '.$input ="Admin".'<br>';$encrypted = encryptIt( $input );$decrypted = decryptIt( $encrypted );echo 'Encrypted = '.$encrypted . '<br />' .'Decrypted = '.$decrypted;function encryptIt( $q ) {    $cryptKey  = 'qJB0rGtIn5UB1xG03efyCp';    $qEncoded      = base64_encode( mcrypt_encrypt( MCRYPT_RIJNDAEL_256, md5( $cryptKey ), $q, MCRYPT_MODE_CBC, md5( md5( $cryptKey ) ) ) );    return( $qEncoded );}function decryptIt( $q ) {   ...

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Find the root of equation: X^2-2X-3 = 0. using iterative method. Take initial value X = 2

Find the root of equation: X2-2X-3 = 0. using iterative method. Take initial value X = 2 [Calculation up to 4 decimal places] Program: <?php    $c = 2; // Counter Start Value Assign Here.    $x = "";     $x2 = 2;    // Initial value Assign Here.        echo "X 1 = 2 <br />"; // Assign X1 Value Here.        for ($i = 2; $i <= $c; $i = $i+1)    {        $x=$x2;   ...

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Find the root of equation: x-cosx = 0. using iterative method. Take initial value X = 1

Find the root of equation: x-cosx = 0. using iterative method. Take initial value X = 1 [Calculation up to 4 decimal places] Program:  <?php    $c = 2; // Counter Start Value Assign Here.    $x = "";     $x2 = 1;    // Initial value Assign Here.        echo "X 1 = 1 <br />"; // Assign X1 Value Here.        for ($i = 2; $i <= $c; $i = $i+1)    {        $x=$x2;   ...

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Consider the quadratic equation: X^2-2X-2 = 0. Find the root of this equation using iterative method. Take initial value X1 = 1

Consider the quadratic equation: X2-2X-2 = 0. Find the root of this equation using iterative method. Take initial value X1 = 1 [Calculation up to 3 decimal places] Program: <?php    $c = 2; // Counter Start Value Assign Here.    $x = "";     $x2 = 1;    // Initial value Assign Here.        echo "X 1 = 1 <br />"; // Assign X1 Value Here.        for ($i = 2; $i <= $c; $i = $i+1)    {   ...

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Find the root of given eqution using iterative method.

Consider the quadratic equation: 2X2-4X+1 = 0. Find the root of this equation using iterative method. Take initial value x=1 [Calculation up to 4 decimal places] Program: <?php    $c = 2; // Counter Start Value Assign Here.    $x = "";     $x2 = 1;    // Initial value Assign Here.        echo "X 1 = 1 <br />"; // Assign X1 Value Here.        for ($i = 2; $i <= $c; $i = $i+1)    {   ...

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