Question

if nine times ninth term is equal to the fifteen times fifteenth term,show that six times twenty fourth term is zero​

Answer 1

Step-by-step explanation:

here is your answer and once try to solve it yourself

Answer 2

Answer:

9(t9) = 15(t15)

9(a+8d)=15(a+14d)

9a+72d=15a+210d

-6 a = 138d

a= -23d

To prove:

6(t24)

6(a+ 23d)

6( -23d +23d)

6(0)

0

Hence proved Lhs=Rhs