Question
4^61 + 4^62 + 4^63 + 4^64 + 4^65 is divisible by
4^61 + 4^62 + 4^63 + 4^64 + 4^65 विभाज्य है l
Answer C.
C.4^61 + 4^62 + 4^63 + 4^64 + 4^65
4^61(1+4+4^2+4^3+4^4)
4^61(1+4+16+64+256)
4^61(341)
4^61(11*31)
So the 4^61 + 4^62 + 4^63 + 4^64 + 4^65 is divisible by 11.
So the correct answer is option C.
C.4^61 + 4^62 + 4^63 + 4^64 + 4^65
4^61(1+4+4^2+4^3+4^4)
4^61(1+4+16+64+256)
4^61(341)
4^61(11*31)
अतः 4^61 + 4^62 + 4^63 + 4^64 + 4^65, 11 द्वारा विभाज्य है l
इसलिए सही उत्तर विकल्प C है l
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