Question

If anyone is tailented on maths they can solve it plzz help me with solution​

Answer 1

Answer:

Step-by-step explanation:

b). $(\frac{-7}{11})^{-8}\times [(\frac{-7}{11})^{-7}\div (\frac{-7}{11})^{-8}]^4$

   = $(\frac{-7}{11})^{-8}\times [(\frac{-7}{11})^{-7}\times (\frac{-7}{11})^{8}]^4$ [Since, $\frac{1}{a^{-1}}=a$]

   = $(\frac{-7}{11})^{-8}\times [(\frac{-7}{11})^{8-7}]^4$

   = $(\frac{-7}{11})^{-8+4}$

   = $(\frac{-7}{11})^{-4}$

   = $(-\frac{11}{7})^4$

   = $\frac{14641}{2401}$

c). $(5^{-1}-10^{-1})^{-1}+(3^{-1}-5^{-1})^{-1}$

   = $(\frac{1}{5}-\frac{1}{10})^{-1}+(\frac{1}{3}-\frac{1}{5})^{-1}$

   = $(\frac{2}{10}-\frac{1}{10})^{-1}+(\frac{5}{15}-\frac{3}{15})^{-1}$

   = $(\frac{1}{10})^{-1}+(\frac{2}{15})^{-1}$

   = 10 + $\frac{15}{2}$

   = 10 + 7.5

   = 17.5

Answer 2

Answer:

Hope it helps and your day will full of happiness