Question

If r - s - t, l(st) = 3.75, l(rs) = 2.15, then

l(rt) = ?

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Answer 1

Answer:

We have, I(ST) = 3.7; I(RS) = 2.5.

Now, (RT) = I(RS) + I(ST) = 3.7 + 2.5

so, I(RT) = 5.6