# Which term of the

Given GP is ….

The given GP is of the form, a, ar, ar2, ar3….

Where r is the common ratio.

The first term in the given GP,

The second term in GP,

Now, the common ratio,

Let us consider -128 as the nth term of the GP.

Now, nth term of GP is, an = arn – 1

n – 1

2)n = 1024 = (-2)10

n = 10

So, -128 is the 10th term in GP.

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