By using binomial theorem prove that 13” – 12n – 1 is always divisible by 144.
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ʜᴏᴘᴇ ɪᴛ ᴡɪʟʟ ʜᴇʟᴘ ʏᴏᴜ.
ᴍᴀʀᴋ ᴀꜱ ʙʀᴀɪɴʟɪꜱᴛ.
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