If 8 times the eight term of an A.P. is equal to 7 times its seventh term, then what is its 15th term?
Answers
Answered by
0
Step-by-step explanation:
an=a+(n-1)d
a8=a+7d
a7=a+6d
According to question
8[a+7d]=7[a+6d]
8a+56d=7a+42d
a=-14d
Substitute abd u will get the answer
HOPE U UNDERSTAND
PLEASE RATE IT
Answered by
0
Hope u understand this answer.
Attachments:
Similar questions
CBSE BOARD XII,
3 months ago
Math,
3 months ago
Math,
3 months ago
Math,
7 months ago
Math,
10 months ago