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Find the 31 term an AP whose 11th term is 38 and the 16th term is 73?

Answer» let first term of Ap is a and common difference is duse formulatn=a+(n-1) dnowt11 = a + (11-1)d = a + 10d = 38same wayt16 = a + 15d =73solve this equation thena= -32 and d= 7now t31 = a+30d= -32 + 210 = 178Hope this ans will be help for y
let first term of Ap is a and common difference is duse formulatn=a+(n-1) dnowt11 = a + (11-1)d = a + 10d = 38same wayt16 = a + 15d =73solve this equation thena= -32 and d= 7now t31 = a+30d= -32 + 210 = 178\xa0


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