Ответ:
b1=1, q=2
Объяснение:
b1*q⁶-b1*q⁴=48
b1*q⁴+b1*q⁵=48
b1(q⁶-q⁴)=48
b1(q⁴+q⁵)=48
48/q⁶-q⁴=48/q⁴+q⁵
q≠0, -1, 1
q⁴+q⁵=q⁶-q⁴
q⁶-q⁵-2q⁴=0
q²-q-2=0
(q+1)(q-2)=0
q=2
b1= 48/(2⁶-2⁴)= 1
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Verified answer
Ответ:
b1=1, q=2
Объяснение:
b1*q⁶-b1*q⁴=48
b1*q⁴+b1*q⁵=48
b1(q⁶-q⁴)=48
b1(q⁴+q⁵)=48
48/q⁶-q⁴=48/q⁴+q⁵
q≠0, -1, 1
q⁴+q⁵=q⁶-q⁴
q⁶-q⁵-2q⁴=0
q²-q-2=0
(q+1)(q-2)=0
q=2
b1= 48/(2⁶-2⁴)= 1