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What is WRONG in the solution? Why a TD is marked?
Kindly refer the question in link: http://in.answers.yahoo.com/question/index;_ylt=Au...
I request the experts to kindly study and tell me what is WRONG in the solution provided by me? Why a TD is marked?
5 Answers
- Anonymous8 years ago
The answer is correct but someone most likely gave it a TD because it's not as fast. Just substituting and solving a simultaneous equations is far easier.
- LeonardLv 78 years ago
Ditto Mathmom remark - some particular people (can but wont name names for now) give TD all the time when you answer submit an answer to a question they have also answered, to give the appearance that they are "right" and you are "wrong" - so that others will vote theirs "best answer".
Other times, you see perfectly good and correct answers getting a TD.
- Anonymous8 years ago
First of all I saw that the equation is written as z^3+mz+nz+10 where it is not mz^2.And if it is writing error, then your ans is true even by Descarte's Method
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