If the probability that the random variable X takes the value x is given by P(X = x) = k(x+1) 3^ -x , x = 0,...

Question

If the probability that the random variable X takes the value x is given by P(X = x) = k(x+1) 3^ -x , x = 0, 1, 2, 3 , where k is a constant, then P(X 3) is equal to

Accepted Answer

(3)

JEE Main 2025 Mathematics question

Solution