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What to do
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Content - Each one of us possess a vast pool of knowledge gained from our academic qualifications and experience. The same originality should reflect in our answers. Do not to copy/paste the content from internet. To back up your information, cite sources wherever necessary. Take care of punctuation like question mark, comma etc. Don-t post abusive content as it may lead to suspension of your account.
Participation - Make sure that your question is placed in the right category and right discussion. This will help us suggest you relevant posts to you. As a community member, you equally share the responsibility to keep the discussion clean. Good answers should be boosted by giving thumbs-up and bad answers must be removed by reporting abusive.
Profile - As a participant, you should have an up-to-date profile so that other participants know whom they are speaking to. It also brings a trust factor in students asking questions.
What not to do
Marketing - You should not promote yourself in your answers by giving contact details. Any such posts are liable to be penalized.
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Sir . There is ambiguity in answers. for example, if we take x=1 , then the answer would be 1