1.

If 8x+1 = 64, what is the value of 32x+1?A. 1 B. 3 C. 9 D. 27

Answer»

8 x + 1 – 64 

= 8 x + 1 = 8

On equating powers, we get 

x + 1 = 2 

x = 1 

= 3 2x + 1 

= 33 = 27



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