Ask a New Question
Search
Questions and answers by
sajanlal
Answers (1)
here, first term(a)=15 last Term(l)=57 Common difference(l)=3 n terms (n)=? by the formula, l= a+(n-1)d or, 57= 15+(n-1)3 or, 57-15=(n-1)3 or, 42/3= n-1 or, 14= n-1 or, 14+1= n or, 15= n there for n terms (n)= 15
