Question

Se considera numerele :
x= I 2 la puterea 24- 8 la puterea 7 l
y= I 9 la puterea 7- 81 la puterea 4 I
a)Determinati x si y;
b)Comparati numerele x si y.

Answer 1

x = 2²⁴ - 2²¹ = 2²¹ (8 - 1) = 7ₓ2²¹
y = | 9⁷ - 9⁸ | =| - 7 | = 7   x. > y