rudolph34
25.06.2019 •
Mathematics
Use binomial theorem to expand (x+3)^4
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Ответ:
how did I get the coefficient of 6 for the 3rd expanded term?
by multiplying 4*3, and then dividing that by 2.
the 4(current coefficient), the 3(x's current exponent), and the 2(3's exponent on the following term).
so in essence, the product of the current coefficient by the exponent of the first term divided by the exponent of the second term in the following term.
now, you can always find the nth factor in any binomial by
where "k" is the term, say you want the 51st term? then k = 50.
and "n" is the exponent of the binomial.
Ответ:
thy should sell it for $235.2 because in the shop they sell everything for 60% the original price for which they bought it
Step-by-step explanation: