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evaluate : 9⁴xa⁷b⁴/3⁵xa⁴b⁴

Sagot :

[tex]\frac{9^4\cdot xa^7\cdot b^4}{3^5\cdot xa^4\cdot b^4}[/tex][tex]9^4=3^8[/tex][tex]\frac{3^8\cdot xa^7\cdot b^4}{3^5\cdot xa^4\cdot b^4}[/tex][tex]3^{8\text{ - 5}}\cdot a^{7\text{ - 4}}[/tex][tex]3^3\cdot a^3\text{ }\Rightarrow27a^3[/tex]

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