The first term is a.p is 5 and common differences is -4 its last term is -35 then find this sum
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Answer:here Ap=5. ,,,CM=-4..,l=-35.
Formula..
An = a+(n-1)d
-35=5+(n-1)×(-4)
(n-1)×(-4)+5=-35
-4n+4+5=-35
-4n+9=-35
-4n=-35-9
-4n=-44
n =-44÷(-4)
n=11
There the sum of these number is n=11
Step-by-step explanation:
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