I need a miracle! Can someone pls help me! I need to noe WHEN and HOW to use the R-formulae! and WHAT the R-formuale is in the first place! THANKX!
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The R-formula is used when you have where a is a non-zero value.
The same technique is also used with and
Ahhhh. That's what the "R-formula" is supposed to be. I didn't know it had an official name.
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