Question

${5}^{16} + {125}^{5}$

is divisible by -
a) 5
b) 6
c) 8
d) 9​

Answer 1

Answer:

(a) 5

Step-by-step explanation:

5¹⁶ + 125⁵ = 5¹⁶ + (5³)⁵ = 5¹⁶ + 5¹⁵ = 5 (5¹⁵ + 5¹⁴)

hence, 5 | 5¹⁶ + 125⁵

hope it'll help you