Respuesta :

amna04352

Answer:

k = 2

Step-by-step explanation:

Integral is [k×tan(x/k]

If its equal to k,

k×tan(x/k) = I

tan(x/k) = 1

x = pi/2 upper limit

x = 0 lower limit

tan(pi/2k) - tan(0) = 1

pi/2k = pi/4

So, k = 2

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