Question

if 70,k,100are in AP ,the value of k is =​

Answer 1

Step-by-step explanation:

'85' but the answer may be wrong

Answer 2

$\huge{\mathcal{\blue{\underline{Answer}}}}$

If the terms 70,k,100 are in Ap then thier common difference are equal , hence

$k - 70 = 100 - k \\ k + k = 100 + 70 \\ 2k = 170 \\ k = \frac{170}{2}$

$\huge{\mathcal{\blue{\underline{k=85}}}}$