TS EAMCET · Maths · Permutation Combination
\({ }^{20} \mathrm{P}_5-{ }^{19} \mathrm{P}_5=\)
- A \({ }^{19} \mathrm{P}_4\)
- B \(4\left({ }^{19} \mathrm{P}_4\right)\)
- C \(5!(646)\)
- D \(6!(646)\)
Answer & Solution
Correct Answer
(D) \(6!(646)\)
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