Can we add any two vectors? If not, why is that so?

I think this is not true, but I am not sure. My book says it is not true, but I guess it is a misprint. For example, adding acceleration to velocity.

Can we add any two vectors? If not, why is that so?

I think this is not true, but I am not sure. My book says it is true, but I guess it is a misprint. For example, adding acceleration to velocity.

Can we add any two vectors? If not, why is that so?

I feel this is not true, but I am not sure; my book says it is not true, but i guess it is a misprint. For example, adding acceleration to velocity.

Can we add any two vectors? If not, why is that so?

I think this is not true, but I am not sure. My book says it is not true, but I guess it is a misprint. For example, adding acceleration to velocity.