• Brainly User
SIMPLE........... u need to remove the bad quality because of which your brother is unhappy. i.e. of not working hard.
Work hard, revise everything being explained in the class, read chapters thoroughly, practice maths and bring really very good marks in your tests, FAs, exams and see the result , your brother will definitely be happy with u.
Just u need to do is HARD WORD and need PATIENCE..
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mark mine as best n click thnk u
will u mark mine as best?????/plz relply
Well the very first thing will be that u should improve the field in which u are not able to cope up with. 
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