Question

in the AP-11-9, 7, d=​

Answer 1

Answer:

-2

Step-by-step explanation:

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Answer 2

it is not an ap this is incorrect

and u can find d as a2 - a1

where a2 is 2nd term whereas a1 is 1st term of the ap

and maybe this will be - 7 not 7

so your ap will be -11, - 9, - 7

where do is -9- (-11) = -9 + 11 = 2