If l1, m1, n1 ; l2, m2, n2 ; l3, m3, n3 are the direction cosines of three mutually perpendicular lines, prove that the line whose direction cosines are proportional to l1 l2 l3, m1 m2 m3, - Mathematics | Shaalaa.com

SOLVED:Let L(n) be the number of terms in the 3 n 1 sequence that starts with n. Write a MATLAB function that computes L(n) without using any vectors or unpredictable amounts of storage. Plot L(n) for 1 ≤n ≤1000. What is the maximum value of L(n) for n in this range, and for what value of n does it occur? Use threenplusi to plot the sequence that starts with this particular value of n.

If ℓ=1, what can be deduced about 𝑛?

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