Question

c) If a2 -3a + 1 = 0, find
a³+1/a³​

Answer 1

your answer is 52

hope that this helps you

Answer 2

Answer:

To find,

a² - 3a + 1 = 0, then find a³+1/a³

step 1:

★ simplify the equation

☞ therefore, a²+1 = 3a

step 2:

★ divide the whole equation by 'a'

☞ a+1/a = 3

step 3:

★ simplify the question

☞ a³+1/a³ = (a+1/a)³

★ substitute the value of a+1/a in the simplified question

☞ (3)³ = 27

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