Question: (a) Show that 1 < 1 + x3 < 1 + x 3 for x > 0. (b) Show that 1 < ; /1 +

(a) Show that

1 < √1 + x3 < 1 + x3 for x > 0.

(b) Show that1< ; /1 + x³ dx< 1.25.

1 < ; /1 + x dx < 1.25.

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