Generalising the given pattern using match sticks as an algebraic expression, nth term denoting the number of match sticks will be .
A
3n+3
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B
3n-3
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C
4n+4
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D
4n-4
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Solution
The correct option is A 3n+3 By comparing each term and the number of match sticks used, we can see a pattern. By generalising the pattern we will get, So, when n=1 3n + 3 = 3 x 1 + 3 = 6 When n = 2, 3n + 3 = 3 x 2 + 3 = 9.....