laylay120
01.08.2019 •
Mathematics
Which binomial is a factor of x4 − 4x2 − 4x 8?
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Ответ:
The given polynomial is
As this is a fourth degree polynomial, we can not directly use any formula, So here we will use hit and trial method
check whether x=-1 is a zero of the polynomial or not
Hence x=-1 is not a zero.
Now check whether x=-2 is a zero of the polynomial or not
Hence x=-2 is a zero of the polynomial.
Hence we can re-write the polynomial as
Hence the required binomial is (x+2)
Ответ:
S = 2(3.14)(2)² + 2(3.14)(2)(3)
S = 2(3.14)(4) + 2(3.14)(6)
S = 2(12.56) + 2(18.84)
S = 25.12 + 37.68
S = 62.8