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किसी पिण्ड द्वारा तय की गयी दुरी समीकरण ` x = at + ( bt ^(2))/( c + a ) ` द्वारा व्यक्त की जाती है , जहाँ t समय तथा a, b, c नियतांक है | b तथा c के विमीय सूत्र क्रमशः है -
A. `[L ^(2) T^( -3 ) ], [ LT ^( - 1) ] `
B. `[LT ^( - 2 ) ], [ LT ^( - 1) ] `
C. `[LT ^( - 1 )], [ L ^(2) T ^( - 1 ) ] `
D. ` [LT ^( - 1 ) ], [LT ^( - 2 ) ] `

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Correct Answer - A
` [c] = [a] =[(x) /(t)] = [LT^( - 1) ] `
तथा ` [b] = ( [x] [c + a ] ) /([T^(2)]) = ( [L][LT ^( -1) ]) /([T^(2)]) = [L ^(2)T ^( - 3 ) ] `

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