等比數(shù)列及前n項(xiàng)和課件

第3講等比數(shù)列及其前n項(xiàng)和第3講等比數(shù)列及其前n項(xiàng)和1等比數(shù)列及前n項(xiàng)和課件2同一個(gè)

公比

a1·qn－1

2q

同一個(gè)公比a1·qn－12q3G2＝a·b(ab≠0)

qn－m

ak·al＝am·an

G2＝a·b(ab≠0)qn－mak·al＝am·an4qn.qn.5等比數(shù)列及前n項(xiàng)和課件6等比數(shù)列及前n項(xiàng)和課件7等比數(shù)列及前n項(xiàng)和課件8等比數(shù)列及前n項(xiàng)和課件9等比數(shù)列及前n項(xiàng)和課件10等比數(shù)列及前n項(xiàng)和課件11等比數(shù)列及前n項(xiàng)和課件12等比數(shù)列及前n項(xiàng)和課件13等比數(shù)列及前n項(xiàng)和課件14等比數(shù)列及前n項(xiàng)和課件15等比數(shù)列及前n項(xiàng)和課件16等比數(shù)列及前n項(xiàng)和課件17等比數(shù)列及前n項(xiàng)和課件18等比數(shù)列及前n項(xiàng)和課件19等比數(shù)列及前n項(xiàng)和課件20等比數(shù)列及前n項(xiàng)和課件21等比數(shù)列及前n項(xiàng)和課件22等比數(shù)列及前n項(xiàng)和課件23等比數(shù)列及前n項(xiàng)和課件24等比數(shù)列及前n項(xiàng)和課件25等比數(shù)列及前n項(xiàng)和課件26等比數(shù)列及前n項(xiàng)和課件27等比數(shù)列及前n項(xiàng)和課件28等比數(shù)列及前n項(xiàng)和課件29等比數(shù)列及前n項(xiàng)和課件30等比數(shù)列及前n項(xiàng)和課件31等比數(shù)列及前n項(xiàng)和課件32等比數(shù)列及前n項(xiàng)和課件33等比數(shù)列及前n項(xiàng)和課件34等比數(shù)列及前n項(xiàng)和課件35等比數(shù)列及前n項(xiàng)和課件36等比數(shù)列及前n項(xiàng)和課件37等比數(shù)列及前n項(xiàng)和課件38等比數(shù)列及前n項(xiàng)和課件39努力吧，前方就是你的大學(xué)！努力吧，前方就是你的大學(xué)！40謝謝謝謝41第3講等比數(shù)列及其前n項(xiàng)和第3講等比數(shù)列及其前n項(xiàng)和42等比數(shù)列及前n項(xiàng)和課件43同一個(gè)

公比

a1·qn－1

2q

同一個(gè)公比a1·qn－12q44G2＝a·b(ab≠0)

qn－m

ak·al＝am·an

G2＝a·b(ab≠0)qn－mak·al＝am·an45qn.qn.46等比數(shù)列及前n項(xiàng)和課件47等比數(shù)列及前n項(xiàng)和課件48等比數(shù)列及前n項(xiàng)和課件49等比數(shù)列及前n項(xiàng)和課件50等比數(shù)列及前n項(xiàng)和課件51等比數(shù)列及前n項(xiàng)和課件52等比數(shù)列及前n項(xiàng)和課件53等比數(shù)列及前n項(xiàng)和課件54等比數(shù)列及前n項(xiàng)和課件55等比數(shù)列及前n項(xiàng)和課件56等比數(shù)列及前n項(xiàng)和課件57等比數(shù)列及前n項(xiàng)和課件58等比數(shù)列及前n項(xiàng)和課件59等比數(shù)列及前n項(xiàng)和課件60等比數(shù)列及前n項(xiàng)和課件61等比數(shù)列及前n項(xiàng)和課件62等比數(shù)列及前n項(xiàng)和課件63等比數(shù)列及前n項(xiàng)和課件64等比數(shù)列及前n項(xiàng)和課件65等比數(shù)列及前n項(xiàng)和課件66等比數(shù)列及前n項(xiàng)和課件67等比數(shù)列及前n項(xiàng)和課件68等比數(shù)列及前n項(xiàng)和課件69等比數(shù)列及前n項(xiàng)和課件70等比數(shù)列及前n項(xiàng)和課件71等比數(shù)列及前n項(xiàng)和課件72等比數(shù)列及前n項(xiàng)和課件73等比數(shù)列及前n項(xiàng)和課件74等比數(shù)列及前n項(xiàng)和課件75等比數(shù)列及前n項(xiàng)和課件76等比數(shù)列及前n項(xiàng)和課件77等比數(shù)列及前n項(xiàng)和