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neha aggarwal Grade:
         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 
6 years ago

Answers : (5)

Amit Bhatnagar
32 Points
										

it will be +ve in (-1,7)U(7,+∞)


and -ve in (-∞,-1)

6 years ago
Surbhi Kumari
29 Points
										

the answer or the interval is


(-5,-2)U(-1,3)U(7,infinity)

6 years ago
Surbhi Kumari
29 Points
										

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

6 years ago
neha aggarwal
4 Points
6 years ago
neha aggarwal
4 Points
										

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

6 years ago
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