Question

Using PMI Prove that 2+2²+2³+....+2^ñ= 2(2^ñ-1)​

Answer 1

Answer:

I hope it is right

Step-by-step explanation:

2+2²+2³ equals to 2(2ñ-1)

2⁶ equals to 2(2⁶-1)

2⁶ equals to 2 (64-1)

64 equals to 2 * 63

64 equals to 126