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32. If the slope of the line (x/a + y/b - 1) + k(x/b + y/a - 1) =0 is -1. Then the value of k is

Answer» 32. If the slope of the line (x/a + y/b - 1) + k(x/b + y/a - 1) =0 is -1. Then the value of k is


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