Question

ம‌தி‌ப்புகா‌ண்க
(i) 〖81〗^(5/4)
(ii) 64 (-2)/3

Answer 1

Answer:

please try to write in English or in Hindi ❣️❣️

Answer 2

i)243      ii)$\frac{1}{16}$

விளக்கம்:

$\text { (i) } 81^{\frac{5}{4}}$

$\text { } 81^{\frac{5}{4}}$ $=(\sqrt[4]{81})^{5}$ $=(\sqrt[4]{3*3*3*3})^{5}$)

      $=(\sqrt[4]{3^{4}})^{5}$

      $=3^{5}$

      $= 3 \times 3 \times 3 \times 3 \times 3$

      = 243

$\text { (ii) } 64^{\frac{-2}{3}}$

$=\frac{1}{64^{\frac{2}{3}}}$

$=\frac{1}{(\sqrt[3]{64})^{2}}$

$=\frac{1}{(\sqrt[3]{4*4*4})^{2}}$

$=\frac{1}{4^{2}}$

$= \frac{1}{16}$