Algebra

- In our day to day life, we come across many examples of variables.

For example, if patterns of have to be made using match sticks, then we can obtain the following patterns.

In this case, the number of match sticks required are given by the rule, 3*n*, where *n* is the number of .

If a pattern of 15 have to be made, then the number of match sticks required is 3 × 15 = 45

- Geometric formulae are written in general for…

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