simply:- ii) 16×2n+1-4×2n16×2n+2-2×2n+2iv) 167×255×813157×245×803 - Maths - Algebra

Question

simply:-
i i )     16 × 2 n + 1 - 4 × 2 n 16 × 2
n + 2 - 2 × 2 n + 2 i v )     16 7 × 25 5
× 81 3 15 7 × 24 5 × 80 3

Shruti Tyagi · Accepted Answer

Dear student,

ii) 16×2n+1-4×2n16×2n+2-2×2n+2=24×2n+1-22×2n24×2n+2-2×2n+2=2n+1+4-22+n2n+2+4-2n+2+1                      --[using am×an=am+n]=2n+5-22+n2n+6-2n+3=2n
2223-12n
2323-1=2223=22-3=2-1=12                                 --[using a-m=1am]

For remaining question kindly post in separate thread for
meaningful help

Regards

simply:- i i ) 16 × 2 n + 1 - 4 × 2 n 16 × 2 n + 2 - 2 × 2 n + 2 i v ) 16 7 × 25 5 × 81 3 15 7 × 24 5 × 80 3

simply:-
$i i) \frac{16 \times 2^{n + 1} - 4 \times 2^{n}}{16 \times 2^{n + 2} - 2 \times 2^{n + 2}} i v) \frac{{(16)}^{7} \times {(25)}^{5} \times {(81)}^{3}}{{(15)}^{7} \times {(24)}^{5} \times {(80)}^{3}}$