2. Given that n A.M.'s are inserted between two sets of numbers a, 26 and 2a, b, where a, b E R. If the mth means in the two cases are same then ratio a: b is equal to :- (1)n: (n - m + 1) (2) (n - m + 1) : m (3) (n - m + 1) :n (4) m:(n-m+1)
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. Given that n A.M.'s are inserted between two sets of numbers a, 26 and 2a, b, where a, b E R. If the mth means in the two cases are same then ratio a: b is equal to :- (1)n: (n - m + 1) (2) (n - m + 1) : m (3) (n - m + 1) :n (4) m:(n-m+1)
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