What is the square root of a^2\b^5?

2 Answers
May 30, 2018

=(asqrtb)/(b^3)

Explanation:

I assume you meant:

=sqrt(a^2/b^5)

=sqrt(a^2)/sqrt(b^5)

=a/(b^2sqrt(b))

now you need to rationalize the denominator by multiplying the expression by:

sqrtb/sqrtb

=a/(b^2sqrt(b))*sqrtb/sqrtb

=(asqrtb)/(b^2*b)

=(asqrtb)/(b^3)

May 30, 2018

(a sqrt b)/b^3

Explanation:

sqrt(a^2/b^5)

:.=sqrt (a^2)/sqrt (b^5)

:.=(sqrt (a*a))/sqrt (b*b*b*b*b)

:.sqrt (a)*sqrt (a)=a

:.sqrt (b)*sqrt (b)=b

:.=a/(b^2 sqrt b) xx(b^2sqrtb)/(b^2sqrtb)

:.=(ab^2 sqrt b)/b^5

:.=(a sqrt b)/b^(5-2)

:.=(a sqrt b)/b^3