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 are in A.P., then n is equal to 
  • a)
    0
  • b)
    – 1
  • c)
    1/2
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
are in A.P., then n is equal toa)0b)– 1c)1/2d)None of theseCorre...
If any three numbers a,b,c are in AP then 2b = a + c. Using this condition we will deduce an equation in (a/b) to find the value of n. But to solve this question we must assume that a and b are not equal.

(If a and b are equal then any value of n will satisfy the equation)
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Community Answer
are in A.P., then n is equal toa)0b)– 1c)1/2d)None of theseCorre...
AM... 1\a + 1\b = 2( a^n + b^n)/ ( a^n+1 + b^n+1) when you will solve it you will get The answer
....(a\b)^n+1=1 ....n = -1 ...
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are in A.P., then n is equal toa)0b)– 1c)1/2d)None of theseCorrect answer is option 'B'. Can you explain this answer?
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