Question

first term of an AP is 4and the common difference is 3. Its 12th term is same as the 8th term of another AP having first term -5.find the common difference of the second AP

Answer 1

= 0) ...

Jawapan terbaik · 1 undi

HINT....The nth term of an arithmetic sequence is an=a+(n−1)d Therefore you have ... Lagi

1 undi

T7−T1T11−T7=64 Substituting values of T7,T11 and solving gives T1=b−c directly. Lagi

0 undi

You know that a7=7b+5c=a+7d and a11=11b+9c=a+11d. S