find the seventh term of an Ap is 32 and it's 13th term is 62 find it's command difference and first term also form an ap
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a7 = 32
or a+6d =32. ……(1)
a13 = 62
or a+12d = 62 ……(2)
Subtracting (1) from (2) ………
a+12d = 62
a+6d = 32
~~~~~~~~~
6d = 30. d=30/6 or d=5
—————-
a + 6d =32
a + 6(5) =32
a + 30 = 32
a =2
therefore, d =5 and a =2
or a+6d =32. ……(1)
a13 = 62
or a+12d = 62 ……(2)
Subtracting (1) from (2) ………
a+12d = 62
a+6d = 32
~~~~~~~~~
6d = 30. d=30/6 or d=5
—————-
a + 6d =32
a + 6(5) =32
a + 30 = 32
a =2
therefore, d =5 and a =2
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