Question

Find the value of K
A.P is 3,K-2,11

Answer 1

Solution.....

3, k-2 , and 11 are in AP then,

☛ k-2-3 = 11-k-2
☛ k-5= 9-k
☛ k+k = 9+5
☛ 2k = 14
☛ k = 14/2
☛ k = 7.

Hope this will help you.......


☞ ✴✴ Mr. THAKUR ✴✴

Answer 2

tn = a+(n-1)d

d = t3-t2

=>11-K-2 = 0

=>9-K = 0

=> -K = -9

=> K = 9

#Hassan