Question

Calculati:
2 la puterea 1997 - 2 la puterea 1996

Answer 1

2¹⁹⁹⁷-2¹⁹⁹⁶=2¹⁹⁹⁶(2-1)=2¹⁹⁹⁶x1=2¹⁹⁹⁶

Answer 2

$2^{1997} = 2^{1996} *2$⇒$2^{1997}- 2^{1996}=$ $2^{1996} *2- 2^{1996} = 2^{1996}(2-1) = 2^{1996}$