the 10th term from the end of an AP is its 17th term from the beginning and it's value is 55.if it's first term is 5, find the common difference, the number of terms and the last term.
help me please
Answers
Answered by
2
Electrostatics is a branch of physics that studies electric charges at rest. Since classical physics, it has been known that some materials, such as amber, attract lightweight particles after rubbing. The Greek word for amber, ήλεκτρον, or electron, was thus the source of the word 'electricity'.
Answered by
4
Answer:
5+10d = 5+ (n -10)d ⇒ 10d = nd - 10d ⇒ 20d =nd n =20 5+10d = 55⇒ d = 5 tn = 5+19 x 5 =100Read more on Sarthaks.com - https://www.sarthaks.com/485523/10-th-term-from-the-end-is-its-11-th-term-from-the-beginning-its-value-is-55-if-its-first-term-be
Follow
Similar questions