Question

the 11th term of an AP is 38 and 16th term is 73 find Ap​

Answer 1

Step-by-step explanation:

$\implies {11}^{th} term \: = 32 \\ \\ \\ \: \\ \implies \: {12}^{th} term \: = 73$

$\implies \: a + 10d \: = 38 \: \: \: \: \: \: \: \: eq1 \\ \\ \\ \implies \: a \: + 15d = 73 \: \: \: \: eq2 \\ \\ \\ from \: equation \: 1 \: and \: 2 \: get \: \\ \\ \implies5d \: = \: 35 \: \\ \\ \\ \implies \: d \: = \frac{35}{5} \: \\ \\ \implies \: d \: = 7$