Which one of the following will divide (3^25+ 3^26 + 3^27+ 3^28) completely? (a) 11 (b) 16 (c) 25 (d) 30
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Answered by
0
Answer:
Option D
Step-by-step explanation:
(3²⁵ + 3²⁶ + 3²⁷ + 3²⁸) = 3²⁵ x (1 + 3 + 3² + 3³) = 3²⁵ x 40
= 3²⁴ x 3 x 4 x 10
= (3²⁴ x 4 x 30), which is divisible by30.
Answered by
0
Answer:
30
3²⁵(1+3+9+27)
3²⁵×40
3²⁴×3×40=120
Divisible by 30
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