Home
Class 12
MATHS
Let T (n) denote the number of triangles...

Let `T _(n)` denote the number of triangles which can be formed by using the vertices of a regular polygon of n sides. `If T _(n +1) - T _(n) = 36, ` then n is equal to

A

2

B

5

C

9

D

8

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Let T_n denote the number of triangles which can be formed by using the vertices of a regular polygon of n sides. If T_(n+1)-T_n=28 , then n equals a)4 b)5 c)6 d)8

The number of triangles which can be formed by using the vertices of a regular polygon of (n+3) sides is 220. Then n is equal to :a)8 b)9 c)10 d)11

Let S_(n) denote the sum of first n terms of an AP and S_(2n) = 3S_(n) . If S_(3n) = k S_(n) , then the value of k is equal to

Let P(n) denotes the statement 2^n gt n and if P(n) is true, show that P(n+1) is also true