1.

If `p , q in N`satisfy the equation `x^sqrt(x)=(sqrt(x))^x,`then `pa n dq`are(a)relatively prime (b) twin prime (c)coprime(d)if `(log)_q p`is defined, then `(log)_p q`is not and vice versa

Answer» `x^sqrtx=sqrtx^x`
taking log both side
`sqrtxlogx=xlogsqrtx`
`sqrtxlogx=x/2logx`
`sqrtxlogx-x/2logx=0`
`logx[sqrtx-x/2]=0`
either log x=0
`x=1`
`sqrtx=x/2`
`2sqrtx=x`
`4x=x^2`
`x=4`
`p=1`
`q=4`
Option a,c,d are correct.


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