Let f(x) = ((x-3)(x+2)(x+5))/((x+1)(x-7)). Find the intervals where f(x) is positive or negative. i found out the answer in your website but my teacher told me that it was wrong can u please tell me another method

Question

Amit Bhatnagar · Answer

it will be +ve in (-1,7)U(7,+&infin;) and -ve in (-&infin;,-1)

Surbhi Kumari · Answer

the answer or the interval is (-5,-2)U(-1,3)U(7,infinity)

Surbhi Kumari · Answer

to my knowlegde that should be the right answer.if it is not then can u justify or tell me ur answer

neha aggarwal · Answer

check it in the study material of this website ..... http://www.askiitians.com/iit-jee-algebra/set-relations-functions/inequalities.aspx

neha aggarwal · Answer

and plzzzz i asked for a method not answer everyone has answers for their problems not solution ...booo hhuuuu

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Let f(x) = ((x-3)(x+2)(x+5))/((x+1)(x-7)). Find the intervals where f(x) is positive or negative. i found out the answer in your website but my teacher told me that it was wrong can u please tell me another method

Let f(x) = ((x-3)(x+2)(x+5))/((x+1)(x-7)). Find the intervals where f(x) is positive or negative. i found out the answer in your website but my teacher told me that it was wrong can u please tell me another method

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Let f(x) = ((x-3)(x+2)(x+5))/((x+1)(x-7)). Find the intervals where f(x) is positive or negative. i found out the answer in your website but my teacher told me that it was wrong can u please tell me another method

Let f(x) = ((x-3)(x+2)(x+5))/((x+1)(x-7)). Find the intervals where f(x) is positive or negative. i found out the answer in your website but my teacher told me that it was wrong can u please tell me another method

5 Answers

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Other Related Questions on Algebra

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