find n if tn =91 ,a=-5 and d=4
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1
Answer:
Please write the question correctly
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0
Step-by-step explanation:
we know
tn=a+(n-1)d
91= (-5)+(n-1)4
91+5=4n-4
96+4=4n
100=4n
n=25 (answer)
THANK YOU
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