Question

3. Find x if 5^3^x^-1 ÷ 25 = 125.​

Answer 1

Answer:

Given, 5

3x−1

÷25=125

Since, 25=5×5=5

2

And 125=5×5×5=5

3

Therefore, 5

3x−1

÷(5)

2

=(5)

3

⇒(5)

3x−1−2

=(5)

3

[∵a

m

÷a

n

=(a)

m−n

]

⇒(5)

3x−3

=(5)

3

On comparing both sides, we get

⇒3x−3=3

⇒3x=6

⇒x=2

Answer 2

Answer:

as by trail and error method we can solve easily

Step-by-step explanation:

as put x=1

if LHS =RHS