I think is D,,,,,,,,,,,,,,,,,
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<span>the tidal mouth of a large river, where the tide meets the stream.</span>
<span>The inability to recall which numbers on a telephone dial are not accompanied by letters</span>
Answer:
d is zero (0)
Explanation:
ψ(x)=ce^κx+de^−κx
Let say x = - 1000
We have something like
ce^κ* -1000 = approximately zero
Where we assume k to be 1
C becomes zero as it tend to negative infinity
But
If k is 1
de^−1* 1000 =d * 2 * 10^434
To have a zero function d = 0
So 0 * 2 * 10^434 = 0
