when i apply limit(x^3-6(x-sin(x)))/(6(x^4)*sin(x)), i am getting: ans = 0; but correct ans. is 1/120; Am i doing something wrong?can i replace x by theta?

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Shivangi Chauhan 2016-1-26

评论： Triveni 2016-2-9

when i apply

limit(x^3-6*(x-sin(x)))/(6*(x^4)*sin(x))

i am getting: ans = 0; but correct ans. is 1/120; Am i doing something wrong? can i replace x by theta to get the same value:1/120

Triveni 2016-1-26

 syms x
 a = limit(( (x^3)- 6* (x - sin(x)))/(6* ((x^4))* sin(x)))

Walter Roberson 2016-1-28

That is, some of your () were misplaced.

Triveni 2016-2-9

Actually tried limit(x^3-6*(x-sin(x))) upon (6*(x^4)*sin(x)) and question was

limit([( (x^3)- 6* (x - sin(x)))/(6* ((x^4))* sin(x))])

check [] in equation.

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