NCERT Exercise 6.3 Q7 - Permutations and Combinations
Question: Find r if (i) ⁵Pᵣ = 2·⁶Pᵣ₋₁, (ii) ⁵Pᵣ = ⁶Pᵣ₋₁.
Answer: (i) r = 3; (ii) r = 4.
Full step-by-step NCERT solution with diagrams on Something by Zero.
Question: Find r if (i) ⁵Pᵣ = 2·⁶Pᵣ₋₁, (ii) ⁵Pᵣ = ⁶Pᵣ₋₁.
Answer: (i) r = 3; (ii) r = 4.
Full step-by-step NCERT solution with diagrams on Something by Zero.