Question

100 times the 100th term of an ap with non-zero common difference equals the 50 times its 50th term, then the 150th term of this ap is

Answer 1

Hi ! hello!

100 ( a100) =50 (a50)

100( a+ 99d)=50 ( a+ 49d)

100a+9900d=50a+2450d

100a-50a+9900d-2450d= 0

50a+7450d = 0

( divide by 50)

a+149d= 0

a150=0