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The value of `|(.^(10)C_(4).^(10)C_(5).^(11)C_(m)),(.^(11)C_(6).^(11)C_(7).^(12)C_(m+2)),(.^(12)C_(8).^(12)C_(9).^(13)C_(m+4))|` is equal to zero when `m` isA. `6`B. `4`C. `5`D. `7`

Answer» Correct Answer - C
`Delta=|(.^(10)C_(4) .^(10)C_(5) .^(11)C_(m)),(.^(11)C_(6) .^(11)C_(7) .^(12)C_(m+2)), (.^(12)C_(8) .^(12)C_(9) .^(13)C_(m+4))|`
`C_(2)rarrC_(2)+C_(1)` `Delta=|(.^(10)C_(4) .^(11)C_(5) .^(12)C_(m+2)),(.^(11)C_(6) .^(12)C_(7) .^(12)C_(m+2)), (.^(12)C_(8) .^(13)C_(9) .^(13)C_(m+4))|`
`Delta=0` for `m=5(C_(2)-=C_(3))`


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