Question

find a General term of an ap whose 7 term is -1 and 16 term is 17

Answer 1

Step-by-step explanation:

a7=a+6d=-1

a16=a+15d=17

a+6d=-1--------(2)

a+15d=17--------(1)

subtracting 2 from 1

d=2

therefore by substituting in 2

a=-13

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