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Q = (A) - (A) + sum of k cubed from k = 1 to 9 + cos(0)
(A) - (A) = 0
The sum of cubes from 1 to 9
cos(0), which is the cosine of zero
sum of k³ from k = 1 to n = [(n × (n + 1)) / 2]²
n = 9
9 × (9 + 1) = 9 × 10 = 90
90 ÷ 2 = 45
45 × 45 = 2025
cos(0) = 1
2025 + 1 = 2026
--Final result--
Q = 2026
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