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Mcde to 8 7 43d cunuuo mPounded tontirously for the RAneot +0 double jecrs rcquiredAnnuestmentDetermine T me"1Jeeirs...

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Mcde to 8 7 43d cunuuo mPounded tontirously for the RAneot +0 double jecrs rcquiredAnnuestmentDetermine T me"1Jeeirs

mcde to 8 7 43d cunuuo mPounded tontirously for the RAneot +0 double jecrs rcquired An nuestment Determine T me "1 Jeeirs



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Ilcrc, whire precipirare $\{\mathbb{R})$ obraincd on rrcarment wirh aqucous solurion of $\mathrm{BaCl}_{2}$ is of (a) $\mathrm{AgC}$. (b) $\mathrm{CaCl}_{2}$ (c) $\mathrm{BaSO}_{4}$ (d) $\mathrm{PbC}^{\prime} \mathrm{I}_{2}$

Okay, So ask crewed fully. Let's start with her left inside. And the multiple able science or the top bottom by one which is equal to one minus society over one, minus sanity. So that gives me square root of what minus side of T squared all over. One squared minus. Sign script T with us holding right here is equal to co sign Scurti now taking naps. This girl would've that you get the square root or actually you take or you get one minus sign t over the absolute value of coastline.

So to solve this equation for a or first gonna isolate are variable. So we're gonna add to on both sides twos, cancel on me, get negative seven a over H equals three and then we're going to multiplied by eight over negative seven. To isolate a sides these cancel and sewing it A equals 20 or over negative seven as our answer. And to check that we're gonna plug that 1,000,000 for a into our original equations. Way it negative 7/8 times A, which is 24 over negative seven minus two equals one and so are negative. Sevens cancel. And we get 24/8, which is three minus two equals one in one equals one.

So to solve this equation for a first gonna isolate are variable. So we're gonna add to to both sides the twos cancel and we get negative. 7/8, A equals three. Then we need to multiply by eight over negative seven on both sides to isolate are variable, the's cancel. And so we get a equals 24 over negative seven as our answer. And then to check that we're gonna plug it back into original equation. So I get negative 7/8 times a day, which is 20 or over. Negative seven minus two equals one. It's our native sevens. Cancel and then we get 24. Writing by eight minus two equals one 24 08 is three minus two equals one in one equals one.

So we want to confirm the identity. So I'm gonna start with the letter T inside. We, uh square root. Uh, one plus co sign X over. Why in mine is co sign next. So all over this inside and when you multiply the denominator by its conjugated So that's when you just look the sign So it goes with negative deposited. So one plus coastline X over one place cook signed X Now we're square is still multiply and then simple by So you have one place co sign X squared over and I'm gonna use the defensive square. So one minus co sign squared. Fix this. Will you go born over No. One place because I ex all square rollover We never gonna win her back to our diary and identity. That sign squared X plus coastline where X equals one. So it is tracked coast on both sides. You get sine squared, X people. One line is co sign squared Fix Florida nominator will become signed Square dicks. So now we have I'm just gonna separate the square root. So have a square root of one plus co sign one plus co sign X squared over the square root, Uh, sine squared X. This is illegal because this square root and this square in council will have one plus come signed X on top. And because we cannot have a negative and the radical this gives us an absolute value sine squared. No, actually, I signed X or because we can Yeah, we can't have a negative into radical, so I have to have an absolute value which will make it positive.


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