Question: (a) Show that for 1 ¤ (1+x3) ¤ 1 + x3 for x ¥ 0. (b) Show that 1 < VI+ x dx < 1.25.

(a) Show that for 1 ‰¤ ˆš(1+x3) ‰¤ 1 + x3 for x ‰¥ 0.
(b) Show that
1< VI+ x dx < 1.25.

1 < VI+ x dx < 1.25.

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