The 6th term of an apes is 35 and the 13th term is 77 find the 20th term
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Heya!!!
6th term of A.P = a + 5d
a + 5d = 35.... equation 1
13th term of A .P = a + 12d
a + 12d = 77..... equation 2
20th term of A.P = a + 19d
Solve equation 1 and 2 we get
a = 6 and d = 29 / 5
20th term is = 6 + 19 ( 29 / 5 ) = 581 / 2
6th term of A.P = a + 5d
a + 5d = 35.... equation 1
13th term of A .P = a + 12d
a + 12d = 77..... equation 2
20th term of A.P = a + 19d
Solve equation 1 and 2 we get
a = 6 and d = 29 / 5
20th term is = 6 + 19 ( 29 / 5 ) = 581 / 2
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