natfloresm13
05.11.2019 •
Mathematics
Consider p(x)= x^4+ax^3+bx^2+cx+d
where a,b,c,d e real numbers
given 1+i and 1-2i are zeros of p(x)
find a,b,c,d
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Ответ:
It is the first choice.
Step-by-step explanation:
This is a sequence where
the next term is obtained by adding 6.
first term = -9 + 6(0) = -9
second term = -9 + 6(1) = -3
third term = -9 + 6(2) = 3
4th term = -9 + 6(3) = 9
and 81 = -9 + (6*15).
So the answer is Sigma (-9 + 6n) from n= 0 to n = 15.