Question

I
7. How many terms of the AP: 9, 17, 25, ......must be taken to ge
a sum of 450.
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Answer 1

Step-by-step explanation:

$n \: = \: 10$

hope it is helpful to you

I directly given you the answer because I am little bit busy

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Answer 2

Answer:

n = 10 it's 100% right I hope it helps