Question

If in an AP 8th term is 4 and 16 term is -20, then find the common difference of the given AP.​

Answer 1

$\huge{\mathfrak{\red{\boxed{\pink{\underbrace{\overbrace{\purple{★᭄ꦿ᭄ \: †Answer† \: ★᭄ꦿ᭄}}}}}}}}$

★Let a8 = 4 . a, 6 = -20 -4

8d = a16 - a8 = -20 - 4

8d = -24

d = -3

Formula I have used → {am-an = (m-n) d}

Solution ↓

-3