Page 92 - Mathematics Class - XI

ACTIVITY 12.2

OBJECTIVE

Verification of the geometrical significance of derivative.

MATERIAL REQUIRED
 Graph sheets  Trigonometric tables

 Adhesive  Geometry box

 Cardboard  Wires

PRE-REQUISITE KNOWLEDGE
1. Knowledge of concept of derivatives
2. Knowledge of basic of geometry

PROCEDURE

1. Take three cardboards of convenient size and paste graph sheets on each and draw two mutually
perpendicular lines representing x-axis and y-axis on each of them.

2. Sketch the graph of the curve (circle) x + y = 25 on one sheet.
2
2

Fig. (a)

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