Answer to Question #127585 in Other for Thalia

Question

Problem A.1

Find the roots of the function f(x) = (2x − 1) · (x 2 + 2x − 3) with x ∈ R.

Problem A.2

Show that 3 · 4 n + 51 is divisible by 3 and 9 for all positive integers n.

Answer 1

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