Evaluate the expression when c=-6. c2 +6c+5
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Answer:
Step-by-step explanation:
Given table is:
i.e. when term number, t = 1, number of triangles (n) = 1
when term number, t = 2, number of triangles (n) = 3
when term number, t = 3, number of triangles (n) = 5
when term number, t = 4, number of triangles (n) = 7
If we closely look at the pattern, number of triangles (n) in each row are 1 lesser than twice of term number (t).
i.e. for
Therefore, the number of triangles in the nth term will be given as: