One of the factors of (82k + 52k), where k is an odd number, is ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 ie 89.
= 82k + 52k
= 64k + 25k
an + bn and n is odd
Then one factor is (a + b)
So,
(64k + 25k) factor is (64 + 25) = 89