Question

if 5 times the 5th term of an A.P is equal to 10 times the 10th term .Show that 15th terms is 0.​

Answer 1

If this question arises then if then the terms when added gives the no of terms in question the answer is 0

Answer 2

Step-by-step explanation:

5 × t5= 10 × t10

1 × (a+4d)=2 × (a+9d)

AFTER SOLVING:-

-a=14d

a=-14d

t15 = a+14d

=-14d+14d

=0

HENCE PROVED

PLEASE MARK IT AS BRAINLIEST