Jika x = 9, y = 16 dan z = 49 maka nilai dari x^3/4 - z^-1/2 / y^3/4 adalah A. -5/4 b. -5/2 c. 5/4 d. 3/2 e. 5/2

=x^3/4 - z^-1/2 / y^3/4
=9^3/4 - 49^-1/2 / 16^3/4
=5.13-7/8
=-2.13/8
=-1/4

maaf kalo salah hehe

[tex] \frac{ {x}^{ \frac{3}{2} } - {z}^{ \frac{1}{2} } }{ {y }^{ \frac{3}{4} } } \\ = \frac{ {9}^{ \frac{3}{2} } - {49}^{ \frac{1}{2} } }{ {16}^{ \frac{3}{4} } } \\ = \frac{( {3}^{2} ) {}^{ \frac{3}{2} } - ( {7}^{2}) { }^{ \frac{1}{2} } }{ {(2 {}^{4} )}^{ \frac{3}{4} } } \\ = \frac{ {3}^{3} - 7}{ {2}^{3} } \\ = \frac{27 - 7}{8} \\ = \frac{20}{8} \\ = \frac{5}{2} [/tex]
semoga membantu.......