Gujarati
8. Sequences and Series
easy

श्रेणी  $a,a + nd,\,\,a + 2nd$ का माध्य होगा

A

$a + (n - 1)\,d$

B

$a + nd$

C

$a + (n + 1)\,d$

D

इनमें से कोई नहीं

Solution

(b) समांतर माध्य $ = \frac{{a + (a + nd) + (a + 2nd)}}{3}$

 $ = \frac{{3a + 3nd}}{3} = a + nd$.

Standard 11
Mathematics

Similar Questions

Start a Free Trial Now

Confusing about what to choose? Our team will schedule a demo shortly.