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They are not identical expressions, but C is logically equivalent to the railroad diagram. B and D are not logically equivalent, and A does not adhere to the syntax of EBNF.

The question says "logically equivalent", meaning that they have the same final result of the expression. Also, by elimination A, B, and D are 100% wrong so C is the only one left - commas don't exist in EBNF notation

yeah you can't use commas, so it's C

it is D - all other cases are already covered

Wait which aspect of Q8 is out of syllabus? I thought it was a pretty simple manipulation

81 is insane congrats

yeah mandated discursive/persuasive

Hello :read:

\int_{0}^{1} \sin{(dx)}

\int_{0}^{\infty} \frac{e^{-x}}{e^{2x}+e^{-2x}}dx

\int_{0}^{4}\int_{\sqrt{x}}^{2}\frac{1}{y^3+1}dydx

btw NSB got 7 99.95s

+1

+1

\int \sin(101x)\sin^{99}x dx\

skskskskks

thank you!