Question

if alpha and beta are the zeroes of the polynomial p(x) =x2-7x+12 then find the value of 1/alpha +1/beta​​

Answer 1

Answer:

The harmonic method of analysis and prediction of tides initiated by Lord

Kelvin quickly established itself as necessary and invaluable in areas where the

diurnal tides were comparable in magnitude with the semidiurnal tides, and where,

also, these tidal oscillations were of the deep-water type in which there were no

oscillations associated with the product terms in the equations of motion. But when

the method was applied to tides in the waters surrounding the British Isles it was

found to be much less accurate than the results obtained from the older non-harmonic

methods. This was so even when the quarter-diurnal and sixth-diurnal tides were

included. These are the main shallow water constituents which are of importance

only when the tidal amplitude is not small compared with the mean depth of the

sea or channel. Even to this day the tides for many of the ports overseas are still

predicted by the non-harmonic methods because of the failure of the direct harmonic

method.

Step-by-step explanation:

Answer 2

Answer:

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