Definitions [1]
Exponents: An exponent is a numerical notation that indicates the number of times a number is to be multiplied by itself. Exponent is also called as power or index. Example, 75.
Theorems and Laws [1]
Prove that:
`("m"+"n")^-1("m"^-1+"n"^-1)=("m""n")^-1`
`"L"."H"."S". ("m"+"n")^-1("m"^-1+"n"^-1)`
= `1/("m"+"n")(1/"m"+1/"n")`
= `1/("m"+"n").("n"+"m")/("m""n")`
= `1/("m""n"`
= `("m""n")^-1`
= R.H.S.
Hence, proved.
