The first term of an A. p is_8 the ratio of 7th to the 9th term is 5.8 calculate the common difference of the progression

d = 3

Explanation:

The first term of the AP, a = -8

The ratio of 7th to the 9th term is 5.8.

We need to find the common difference of the progression.

The nth term of an AP is given by :

ATQ,

Put a = -8 in the above equation.

So, the common difference of the progression is 3.

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