O QUINTO E O SETIMO TERMO DE UMA PG. RE RAZAO POSITIVA VALEM, RESPECTIVAMENTE, 10 E 16, QUAL É O SEXTO TERMO DESSA PG??
a6 = (a5 * a7)^1/2
a6 = sqrt (10 * 16)
a6 = 4 sqrt ?(10)
QSL?
a5=10
a7=16
a5=a1.q^4.....(1)
a7=a1.q^6.....(2)
(2):(1)
16/10=q^6.q^-4
8/5=q²
q=V8/5
q=V8/V5
q=2V2/V5
q=(2V2*V5)5
q=2V10/5
a6=a1.q^5.....(3)
a5=a1.q^4.....(4)
(3):(4)
a6/10=q^5.q^-4
a6/10=q
a6/10=2V10/5
a6/2=2V10
a6=4V10
Resposta: a6=4V10
a6= Mg= â(10.16) = â160 = â16.10 = 4â10 >>
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Verified answer
a6 = (a5 * a7)^1/2
a6 = sqrt (10 * 16)
a6 = 4 sqrt ?(10)
QSL?
a5=10
a7=16
a5=a1.q^4.....(1)
a7=a1.q^6.....(2)
(2):(1)
16/10=q^6.q^-4
8/5=q²
q=V8/5
q=V8/V5
q=2V2/V5
q=(2V2*V5)5
q=2V10/5
a6=a1.q^5.....(3)
a5=a1.q^4.....(4)
(3):(4)
a6/10=q^5.q^-4
a6/10=q
a6/10=2V10/5
a6/2=2V10
a6=4V10
Resposta: a6=4V10
a6= Mg= â(10.16) = â160 = â16.10 = 4â10 >>