Q3)a)Describe the language generated by the following context free grammar (CFG):5 PointsS → SSS → → bZZ → ZbZ → ab)Let ∑ = {a, b}. Find a CFG for the language L of all wordsoverΣthat have different first and last letters. (L = {ab, ba, aab, abb, baa, bba,}.)

assuming you are in the home page.

1) go to the upper right hand corner

2) click on your "profile picture"

3) go down to "edit profile"

4) it should be titled as "edit your profile", click on "profile picture"

5) choose a file

6) press "change"

you're profile picture is updated

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look at the engine block shown in the figure. the engine shown in this figure is a/an  

  a. four-cylinder, horizontally opposed engine.

  b. eight-cylinder, v-type engine.

  c. six-cylinder, v-type engine.

  d. four-cylinder, in-line engine