For now give only time as much you can.Give more time for preparing for the syllabus which is going on in classes.If you dont concentrate on this you will need to give more time afterwards.So prepare along with syllabus thts going on in class.After that if you have time then prepare for previous syllabus in which you have problem.
Please feel free to post as many doubts on our discussion forum as you can.we will get you the answer and detailed solution very quickly.
All the best.
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