The ratio between the first and second terms in an arithmetic sequance is 2:3 find the ratio between third and fifth term?
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U1/U2 = 2/3
a/(a + d) = 2/3
3a = 2(a + d)
3a = 2a + 2d
3a - 2a = 2d
a = 2d
U3/U5
= (a + 2d)/(a + 4d)
= (2d + 2d)/(2d + 4d)
= 4d/6d
= 4/6
= 2/3
a/(a + d) = 2/3
3a = 2(a + d)
3a = 2a + 2d
3a - 2a = 2d
a = 2d
U3/U5
= (a + 2d)/(a + 4d)
= (2d + 2d)/(2d + 4d)
= 4d/6d
= 4/6
= 2/3
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Answer:
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