The expression is .
Simplify the expression.
(Evalute powers)
(Sustitute: )
.
Option K is right choice.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b1af054eb88cf256396da66fd32f4095.png\")
. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e33817762ae0527c1717eda77dd6f190.png\")
(Evalute powers) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9a9d0a6be8dff47d0039df11cae1e62d.png\")
(Sustitute: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=56a8a67749d115f7218cadf4f47a60ea.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=80d7379db6963edacc8a1c80da810a72.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")