A sequence of number U1 U2 U3 Satisfied the relation(3n-2)Un-1=(3n+1)Un for all positive integers n. If U1=1 find U3 and U4
An expression for the nth term Un
The sum of first nth term of the sequence

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

if the hares very faster than they are now, and thus the lynx's hunting success rate drops because it will be harder to catch them, the rate that will change will be the pray-rate. the pray-rate will change because more hares will be able to survive, thus more individuals for reproduction, so the end result will be increasing population of hares.

the predator-rate will remain pretty much the same because there will be more than enough pray, but the hunting success rate is stagnant.

my answer is the prothallium.brainliest