等比数列{an}中,a2+a3=6,a1a4=8,则公比q=
问题描述:
等比数列{an}中,a2+a3=6,a1a4=8,则公比q=
答
a2+a3=a1q+a1q^2=6.a1a4=a1^2q^3=8然后联立方程组答案你算吧你算啊我没时间,我在上课都给你好评了2算好了1打错了按快了是1
等比数列{an}中,a2+a3=6,a1a4=8,则公比q=
a2+a3=a1q+a1q^2=6.a1a4=a1^2q^3=8然后联立方程组答案你算吧你算啊我没时间,我在上课都给你好评了2算好了1打错了按快了是1