Find the ratio of \( \mathrm{m}^{\text {th }} \) and \( \mathrm{n}^{\text {th }} \) term of an A...

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Find the ratio of \( \mathrm{m}^{\text {th }} \) and \( \mathrm{n}^{\text {th }} \) term of an A.P, if the ratio of sum of \( m \) and \( n \) terms of an AP is \( m^{2}: n^{2} \).
a. \( (\mathrm{m}-2):(\mathrm{n}+2) \)
\( \mathrm{b}(2 \mathrm{~m}+1):(2 \mathrm{n}+1) \)
c. \( (2 m-1):(2 n-1) \)
d. None of these
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