अनुक्रम 14, 10, 6, 2,... का 14वाँ पद क्या है ?
व्याख्या एवं हल
दी गई समांतर श्रेणी में प्रथम पद a = 14 तथा सार्व अंतर d = 10 - 14 = -4 है। इसका 14वाँ पद T_14 = a + (14 - 1)d = 14 + 13(-4) = 14 - 52 = -38 होगा।
In English (Question & Model Answer)
What is the 14th term of the sequence 14, 10, 6, 2,..... ?
The given arithmetic progression has first term a = 14 and common difference d = 10 - 14 = -4. The 14th term is given by T_14 = a + (14 - 1)d = 14 + 13(-4) = 14 - 52 = -38.