Question

if a+1/a=6 and ais not equal to zero, find the value of a-1/a​

Answer 1

Step-by-step explanation:

$\frac{a + 1}{a} = 6$

$\frac{a}{a} + \frac{1}{a} = 6$

which is

1+ 1/a =6

therefore, 1/a = 6-1

1/a =5

now to find (a-1)/a

we do,

$\frac{a}{a} - \frac{1}{a } = 1 - \frac{1}{a}$

since 1/a=5

1-(1/a)= 1-5= -4

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