Integral Calculus & Area · NDA previous year questions

2023 2 questions

1. Q172023 · 16 Apr 2023

   For how many integral values of k, the equation $x^2-4x+k=0$, where k is an integer has real roots and both of them lie in the interval $(0,5)$ ?

   1. A.3
   2. B.4
   3. C.5
   4. D.6
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   Answer: B

2. Q932023 · 16 Apr 2023

   For what value of m with m < 0, is the area bounded by the lines y = x, y = mx and x = 2 equal to 3 ?

   1. A.$-\frac{1}{2}$
   2. B.-1
   3. C.$-\frac{3}{2}$
   4. D.-2
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   Answer: A