Question

Check whether 301 is a term of AP 5,11,17,23 ----

Answer 1

Answer:

a=5

d=11-5

d=6

an=301

an=a+(n-1)d

301 =5+(n-1)6

301-11=(n-1)

290=n-1

290+1=n

300=n

n=300

Step-by-step explanation:

hope it helps you...

Answer 2

Answer:

a = 5 , d= 11-5=6 , an = 301

$an \: = a + (n - 1)d \\ 301 = 5 + (n - 1)6 \\ 301 - 5 = (n - 1)6 \\ \frac{296}{6} = n - 1 \\ \frac{148}{3} = n - 1 \\ n = \frac{148}{3} + 1 \\ n = \frac{148 + 3}{3} \\ n = \frac{151}{3} \\ n = 5.33 \: answer$