Seudónimo Seudónimo

07-04-2020
Mathematics

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if r= - square root2 and a^5= 32square root2, what is the first term of the sequence?

Respuesta :

surjithayer10 surjithayer10

07-04-2020

Answer:

8√2

Step-by-step explanation:

r=-√2

a5=32√2

an=a1(r)^{n-1}

32√2=a1(-√2)^{5-1}=a1×(-√2)^4=a1×4

[tex]a1=\frac{32\sqrt{2}}{4}=8\sqrt{2}[/tex]

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