Question

Simplify the following​

Answer 1

(5^ (-1-2)*7^(2+4) )^7/2 * ( 5^(-2-3)*7^(2+5) )^-5/2

=( 5^-3 * 7^6 )^7/2 * ( 5^-5 * 7^7)^-5/2

=(5^(-21/2) * 7^21) * (5^25 * 7^(-35/2)

= 5^(25-21/2) * 7^(21-35/2)

=5^(29/2)*7^(7/2)