Observe x ^ - 1, - 2x ^ - 2,4x ^ - 3, - 8x ^ - 4,16x ^ - 5 What do you find? 2. Write the nth formula according to the law. Use a simple process to prove the law you found

Observe x ^ - 1, - 2x ^ - 2,4x ^ - 3, - 8x ^ - 4,16x ^ - 5 What do you find? 2. Write the nth formula according to the law. Use a simple process to prove the law you found

The nth formula is: (- 2) ^ (n-1) * x ^ (- n)