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The fifth term of an arithmetic sequence is 11. If the difference between two consecutive terms is 1, what is the product of the first two terms? 

 

I don't need the work, but please help I'm so tired and literally cannot do this.

 Jan 10, 2020

Best Answer 

 #1
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d = 1

 

a5=11

a4  thus is 10

ais 9

a2 is 8

ais 7

 

7 x 8 = 56

 Jan 10, 2020
 #1
avatar
+2
Best Answer

d = 1

 

a5=11

a4  thus is 10

ais 9

a2 is 8

ais 7

 

7 x 8 = 56

Guest Jan 10, 2020

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