when do 55^2,50^2,45^2 get it's first negetive term ? (please answer I'll mark your anser brainest)
Share
when do 55^2,50^2,45^2 get it's first negetive term ? (please answer I'll mark your anser brainest)
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Verified answer
Here first term a=53 and common difference d=−5
Let the nth term of the given AP be the 1st negative term.
∴ a
n
<0
⇒a+(n−1)d<0
⇒53+(n−1)×−5<0
⇒(n−1)×−5<−53
⇒n−1>
5
53
⇒n>
5
58
⇒n>11
5
3
Since, 12 is the natural number just greater than11
5
3
So, n=12
∴ 12
th
term is first negative term.
you been scammed by the fake photo wo beta maja kar di (☞ ᐛ )☞