Question

if a⁵/a^x-1 =a⁴then xwill be equal to​

Answer 1

Answer:

ANSWER

x

4

+

x

4

1

=727

Adding 2 on both sides, we get

x

4

+

x

4

1

+2×x

2

×

x

2

1

=727+2

⇒(x

2

+

x

2

1

)

2

=27

2

Taking square root both sides, we get

x

2

+

x

2

1

=27

Subtracting 2 from both sides, we get

x

2

+

x

2

1

−2×x×

x

1

=27−2

⇒(x−

x

1

)

2

=5

2

Taking square root on both sides, we get

x−

x

1

=5

Step-by-step explanation:

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Answer 2

a^5/a^4=a^x-1

a^5-4 = a^x-1

a^1 = a^x-1

x-1 = 1

x = 2