Question

Find total no.of terms of 2,5,8,11,...68​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

The final answer is "23".

Step-by-step explanation:

$\ Given \ value:\\\\2, 5, 8, 11,........ 68\\\\\ Find:\\\\\ total \ number \ of \ term \ (n) = ?\\\\\ Solution:\\\\2, 5, 8, 11,........ 68\\\\a= 2\\\\d= t_2-t_1 \\\\ d= 5-2 \\\\ d= 3\\\\n= ?\\\\t_n= 68 \\\\\ formula:\\\\\ t_n=a+(n-1)d\\\\\rightarrow 68= 2+(n-1)3\\\\\rightarrow 68= 2+3n-3\\\\\rightarrow 68= 3n-1\\\\\rightarrow 68+1= 3n\\\\\rightarrow 69= 3n\\\\\rightarrow 3n =69\\\\\rightarrow n =\frac{69}{3}\\\\\rightarrow n = 23$

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