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प्रश्न
Find the first four terms in A.P. When a = 10 and d = 3.
उत्तर
a = 10 and d = 3
`"t"_1 = "a" = 10`
`"t"_2 = "a" + "d" = 10 + 3 = 13`
`"t"_3 = "t"_2 + "d" = 13 + 3 = 16`
`"t"_4 = "t"_3 + "d" = 16 + 3 = 19`
The first four terms are 10 , 13 , 16 and 19
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