Math, asked by TostyRosty, 1 month ago

Evaluate : {(27) -³/9-³}⅓​

Answers

Answered by itsmortal777
1

Ans:- - 2

(27) ^{\frac{ - 1}{3}}  \times (27^{\frac{  1}{3}} - 27^{\frac{  2}{3}}) \\  = ( {3}^{3} )^{\frac{   - b}{3}} \times ( {3}^{3} \: ^{\frac{  1}{3}} -  {3}^{3}  \: ^{\frac{  2}{3}}) \\  = \: (3)^{\frac{   - 3}{3}} \times (3^{\frac{  3}{3}} -  {3}^{2 \times }  \: ^{\frac{ 3 }{3}}) \\  = \:   {3}^{ - 1}  \times (3 -  {3}^{2} )  \\  =  \frac{1}{3}  \times (3 - 9) \\  =  \frac{1}{3}  \times ( - 6) \\  =  - 2

Answered by saloni1234sk
3

Answer:

{(1/27) ³/(1/9) ³}¹/³

(9/27)³*¹/³

9/27

1/3

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