a:1:{i:0;a:13:{s:2:"id";s:3:"797";s:7:"answer1";s:171:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=m%20%5Cin%20(-%5Cinfty%3B-2)" alt="m \in (-\infty;-2)" /></p>";s:7:"answer2";s:213:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=m%20%5Cin%20(-%5Cinfty%3B-2)%20%5Ccup%20(2%3B%5Cinfty)" alt="m \in (-\infty;-2) \cup (2;\infty)" /></p>";s:7:"answer3";s:167:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=m%20%5Cin%20(2%3B%5Cinfty)" alt="m \in (2;\infty)" /></p>";s:7:"answer4";s:157:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=m%20%5Cin%20(-2%3B2)" alt="m \in (-2;2)" /></p>";s:7:"answer5";s:0:"";s:7:"answer6";s:0:"";s:7:"answer7";s:0:"";s:7:"answer8";s:0:"";s:7:"answer9";s:0:"";s:8:"answer10";s:0:"";s:4:"good";s:10:"1000000000";s:8:"question";s:4:"2057";}}