Question

Hey there Maths Genius
pls answer this question for 100 points.​

Answer 1

Answer:

$\huge\underline{ \underline{ \red{your \: \: answer}}}$

Step-by-step explanation:

$\bf\purple{ \mapsto \: your \: ans \: = (a) = \frac{n}{3n - 1} }$

$\large\boxed{ \fcolorbox{red}{blue}{hope \: it \: help \: you}}$

Answer 2

Step-by-step explanation:

HERE,

1/4 + 1/28 + 1/70

= ( 1 × 35 + 1× 5 + 1 x 1)/140

= ( 35 + 5 + 1)/140

= 41 /140

So,

41 /140 + 1/ (3n - 2) ( 3n + 1)

solve this , you will get the answer