Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Observe the following list:
Column- I | Column- II |
(i) is equal to | [A] n. 2n |
(ii) is equal to | [B] (n+1)2nCn |
(iii) is equal to | [C] n (n–1) 2n–3 |
(iv) is equal to | [D] n. 2n–1 |
Correct Matrix Matching
Text Solution
Verified by ExpertsThe correct answer is:
(i) [D]; (ii) [A]; (iii) [C]; (iv) [D]
Ans.
(i) [D]
(ii) [A]
(iii) [C]
(iv) [D]
Sol. (i) 
= 
=
= 
= 
(ii) 
= 
+ 
n.2 n–1 + 
(iii) 
= 
= 
= 
= 
(n +1) n. 2 n–2 – 
n. 2 n–1 = n(n –1).2 n–3
(iv) Do yourself
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