the 3rd and 6th terms of an ap are 16 and 37 respectively find the first term and the common difference
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We know the 3rd term = a+2d=16 _____1
6th term = a+5d=37 ___2
2 - 1
3d=21
d=7 (common difference)
substituting the value in any one of the equations.
a=2 (first term)
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