x14 x94 x14 5a2b4 squareroot 8a2 b4ab4 squareroot 4a3 b2Sol

x^-1/4 (x^9/4 - x^1/4) (5a^2b^4 squareroot 8a^2 b)(4ab^4 squareroot 4a^3 b^2)

6) x^(-1/4)(x^9/4 - x^1/4)

x^(-1/4 +9/4) - x^(-1/4 +1/4)

x^2 - 1

x^2 -1

7) (5a^2b( 8a^2b)^1/4)(4ab(4a^3b^2)^1/4)

=5*(2^3/4)*a^(2+1/2)*b^(1+1/4)(4^(1+1/4)*(a^(1+3/4)*b^(1+2/4)

=5*2(3/4+2+1/2)*a^(2+1/2+3/4+1)*b^(1+1/4+1+1/2)

= 5*2^(9/4)a^(8+2+3+4)/4*b^(4+1+2)/4

=5*2^9/4a^(17/4)b^(7/4)