If 6 times of 6th term of an
a.P is equal to 7 times the 7th term, then the 13th term of the
a.P. Is equal to
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Answered by
36
║⊕ANSWER⊕║
=> 6(ᴀ+5ᴅ) = 7(ᴀ+6ᴅ)
=> 6ᴀ+30ᴅ = 7ᴀ+42ᴅ
=> 6ᴀ-7ᴀ = 42ᴅ-30ᴅ
=> -ᴀ = 12ᴅ
=> -ᴀ-12ᴅ = 0
= > a13 = -12d + 12 d
= 0
Answered by
23
Answer:
0 is the answer
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