Question

$<pre>uncaught exception: Http Error #502 in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/HttpImpl.class.php line 61 #0 [internal function]: com_wiris_plugin_impl_HttpImpl_0(Object(com_wiris_plugin_impl_HttpImpl), NULL, 'http://www.wiri...', 'Http Error #502') #1 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/php/Boot.class.php(769): call_user_func_array('com_wiris_plugi...', Array) #2 [internal function]: _hx_lambda->execute('Http Error #502') #3 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/haxe/Http.class.php(532): call_user_func_array(Array, Array) #4 [internal function]: haxe_Http_5(true, Object(com_wiris_plugin_impl_HttpImpl), Object(com_wiris_plugin_impl_HttpImpl), Array, Object(haxe_io_BytesOutput), true, 'Http Error #502') #5 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/php/Boot.class.php(769): call_user_func_array('haxe_Http_5', Array) #6 [internal function]: _hx_lambda->execute('Http Error #502') #7 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/HttpImpl.class.php(27): call_user_func_array(Array, Array) #8 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/haxe/Http.class.php(444): com_wiris_plugin_impl_HttpImpl->onError('Http Error #502') #9 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/haxe/Http.class.php(458): haxe_Http->customRequest(true, Object(haxe_io_BytesOutput), NULL, NULL) #10 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/HttpImpl.class.php(40): haxe_Http->request(true) #11 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/TextServiceImpl.class.php(80): com_wiris_plugin_impl_HttpImpl->request(true) #12 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/service.php(19): com_wiris_plugin_impl_TextServiceImpl->service('mathml2accessib...', Array) #13 {main}</pre>$

Solution

space space space space space space space space space space straight y equals straight x plus tan space straight x therefore space dy over dx equals 1 plus sec squared space straight x and space fraction numerator straight d squared straight y over denominator dx squared end fraction equals 0 plus 2 space sec space straight x. space sec space straight x space tan space straight x equals 2 space sec squared space straight x space tan space straight x straight L. straight H. straight S. space equals cos squared space straight x space fraction numerator straight d squared straight y over denominator dx squared end fraction minus 2 straight y plus 2 straight x space space space space space space space space space space space space space equals cos squared space straight x. space 2 space sec squared space straight x space tan space straight x minus 2 left parenthesis straight x plus tan space straight x right parenthesis plus 2 straight x space space space space space space space space space space space space space equals cos squared space straight x. fraction numerator 2 over denominator cos 2 space straight x end fraction. fraction numerator sin space straight x over denominator cos space straight x end fraction minus 2 straight x minus space 2 space tan space straight x plus 2 straight x space space space space space space space space space space space space space equals 2 space tan space straight x minus 2 straight x minus 2 space tan space straight x plus 2 straight x space space space space space space space space space space space space space equals 0 equals straight R. straight H. straight S.

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