write an explicit formula for the equation 4,1.5,-1,-3.5.....

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write an explicit formula for the equation 4,1.5,-1,-3.5.....

Guest Jul 17, 2015

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Best Answer

+118608

+5

This is an AP

the common diff is -2.5

Tn=a+(n-1)d

Tn=4+(n-1)*-2.5

Tn=4+-2.5(n-1)

Tn=4-2.5n+2.5

Tn=6.5 - 2.5n

Melody Jul 17, 2015

1⁺⁰ Answers

+118608

+5

Best Answer

This is an AP

the common diff is -2.5

Tn=a+(n-1)d

Tn=4+(n-1)*-2.5

Tn=4+-2.5(n-1)

Tn=4-2.5n+2.5

Tn=6.5 - 2.5n

Melody Jul 17, 2015

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