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CBSE Class 11-science Answered

find the value of the constant A , so that the function given below is contnuous at x=-1
Asked by Kirandoon | 25 Aug, 2008, 09:49: PM
answered-by-expert Expert Answer

f(x) = x2 -2x -3 / x+1 = (x + 1)(x - 3) / (x + 1) = x - 3

At x = -1, f(x) = -1 - 3 = -4

It is given that the function is continuous at x = -1, so, A = -4

Answered by | 26 Aug, 2008, 08:33: PM

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