Question

find the value of x if 12 term of ap x-7,x-2,x+3,......,,is 81 find s12 also

Answer 1

S12=642............chck whtr its crct and the value of x is 33...
x-7+11*5=81
=>x-7=26
=>x=33

Answer 2

Hey folk!!

Here's ur answer..
Hope it might be helpful :) :)