question 6

Essay

$$\text { Use mathematical induction to show that } \sum _ { j = 0 } ^ { n } ( j + 1 ) = ( n + 1 ) ( n + 2 ) / 2 \text { whenever } n \text { is a nonnegative integer. }$$

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Definitions:

S-shaped Curvature

A type of spinal deformity characterized by a lateral, S-like curve.

Spine

The column of vertebrae extending from the base of the skull to the tailbone, providing structural support and protecting the spinal cord.

Skull

The bony structure forming the head that protects the brain and supports the structures of the face.

Parietal Bone

A bone forming part of the side and top of the skull, located behind the frontal bone and in front of the occipital bone.