Question

if x a and b are positive integers such as xa = 25, then ax equals​

Answer 1

Answer:

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Answer 2

Answer:

a−x

,

x

and

x+a

are in A.P

⇒2

x

=

x+a

+

a−x

.....(1)

⇒2

x

=

(

x+a

−

a−x

)

(

x+a

+

a−x

)(

x+a

−

a−x

)

⇒2

x

=

a+x

−

a−x

2x

⟹

a+x

−

a−x

=

x

.....(2)

Adding equation (1) and (2) we get

⟹3

x

=2

a+x

⟹a=

4

5x

Now using the condition that both 'a' and 'x' are positive integers, the least possible value of a=5.