Question

Find in so that 2" : 25 € 2-3 x 22n-

11th - 12th Class

Maths

Solution

107

4.0 (1 ratings)

( frac{2^{11}}{2^{5}}=2^{-3} times 2^{2 n-1} ) ( 2^{11-5}=2^{2 n-1-3} ) ( 2^{2}=2 n-4 ) ( Rightarrow 10 / 2=n quad Rightarrow n=1 . ) Ans