Question

evaluate the n sumation of (6r-1) (6r+1) where r=1​

Answer 1

Answer:

Answer=35

Step-by-step explanation:

(6×1-1)(6×1+1)

(6-1)(6+1)

5×7

35

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Answer 2

Answer:

evaluate the n sumation of (6r-1) (6r+1) where r=1

35

Step by step explanation:

=6r-1) (6r+1)

where r=1

=(6-1) (6+1)

=(5) (7)

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