Which of the following statements is always true for any positive real number and…

MATHEMATICS · Single correct · CBSE · Mathematics · Number Systems · Number Systems

Problem

Which of the following statements is always true for any positive real number

a

and integers

m,n

? (a)

(a^{m})^{n}=a^{mn}

(b)

(a^{m})^{n}=a^{m+n}

(c)

a^{m}\times a^{n}=a^{m-n}

(d)

\dfrac{a^{m}}{a^{n}}=a^{mn}