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1)Let f (x) = x^2 and g(x) = 3ln (x + 1), for x > 1. (a) Solve f (x) = g(x). (b) Find the
1)Let f (x) = x^2
and g(x) = 3ln (x + 1), for x > 1.
(a) Solve f (x) = g(x).
(b) Find the area of the region enclosed by the graphs of f and g.
2) (a) Find the term in x^6
in the expansion of (x + 2)^9
(b) Hence, find the term in x^7
in the expansion of 5x(x + 2)^9
3) In a geometric sequence, the fourth term is 8 times the first term. The sum of the
first 10 terms is 2557.5. Find the 10th term of this sequence.
4)
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