1.

Observe the pattern the side and express the pattern in the form of an algebraic expression.Row1234nNo of sticks in each row3579?

Answer»

In row = 1, 2(1) + 1 = 3 

In row = 2, 2(2) + 1 = 5 

In row = 3, 2(3) + 1 = 7 

In row = 4, 2(4) + 1 = 9 

In row = n, 2(n) + 1 = 2n + 1



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