Question

The sum of four consecutive terms which are in an arithmetic progression is 32 and the ratio of the product of first and last term to the product of two middle terms is 7:15 find the number

Answer 1

Answer:

Step-by-step explanation:

By solving with the help of the equation

Sn=n/2(a+l)

We get n=10

Puting the value in

Tn=a+(n-1)d

By solving this equation

We get d=3

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