Math, asked by himanshuyadav226220, 1 month ago

Find the value of x if 1990 1991 =2%. 2​

Answers

Answered by punjabigirl03112
13

Answer:

Step-by-step explanation:

(1/2)^1990 -(1/2)^1991=2^x

(1/2)^1990-(1/2)^1990+(1/2)^1=2^x

2^-1=2^x

-1=x

Step-by-step explanation:

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