Answer:
<h3> sum of the roots:From Vieta's formulas applied to quadratic polynomial we have:
if then
sum of roots:
product of the roots:
PLEASE ANSWER! ☹️ and round the answer to nearest whole number
1 answer:
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SOLUTION
From the sequence give
–3, 1, 5, 9, . . .
The first term, a = -3
The common difference, d = 4 (gotten by adding 4 to the next term).
The number of terms required n = 6.
Formula for sum of an arithmetic sequence is given by
Substituting these values into the equation above we have
Hence, the answer is 42, option B