Question

If( a+1/a)²=3,find a³+(1/a)³​

Answer 1

Answer:

Given (a+1/a) 2 = 3 Therefore (a + 1/a) = √3 Recall the formula, (a3 + b3) = (a + b)3 - 3ab(a + b) Therefore, (a3 + 1/a3) = (a + 1/a)3 - 3 x a x 1/a (a + 1/a)                                  =  (√3)3 - 3(√3) = 3√3 - 3(√3 = 0

Answer 2

Answer:

0

Step-by-step explanation:

apply simple algebraic methods to find your answer