Question

find the terms of a7 and a10 if an = 2n²-3n+1​

Answer 1

Answer:

given

an= 2n²-3n+1

then for a7, n= 7

so, a7= 2.7²-3.7+1

= 2.49-21+1

= 98-20

= 78

for A10 = 2.(10)²-3(10)+1

= 200-30+1

= 200-29

= 271