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IZ 4 20 MI| colte20 pG mossteSor0 tno 5alrqu5 Tachelk74= JaeEetlm ournmd sutdt mudoo and dmus-lry bouos 0 DnoutMILuLE 5Iuca Uenn& ututidinitnlonr mntnt Aea Enlt- 0 #ohrmeiuSnnEct ntn Jen rbbn [ midoa b Grt ot DashPec

IZ 4 20 MI| colte 20 pG mosste Sor0 tno 5alr qu5 Tachelk 74= Jae Eetlm ournmd sutdt mudoo and dmus-lry bouos 0 DnoutMI LuLE 5 Iuca Uenn& ututidini tnlonr mntnt Aea Enlt- 0 #ohrmeiu SnnEct ntn Jen rbbn [ midoa b Grt ot Dash Pec



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licre the ycllow and orangc precipirares arc, rcspectively (a) $\mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{2}, \mathrm{~K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{-}$ (b) $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}, \mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{2}$ (c) $\mathrm{Na}_{2} \mathrm{CrO}_{4}, \mathrm{~K}_{2} \mathrm{CrO}_{4}$ (d) $\mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{2}, \mathrm{~K}_{2} \mathrm{CrO}_{4}$

In discussion we are given with do these two mattresses added and equal toe the third matrix so we can solve the allergies as the tumor traces are headed. Then the corresponding elements are being added. So v hell, the result off tumor traces addition has zero will be ready with negative nine. So there, minus nine four, are well buried with Aitor. So four R plus state are a taste of a very toe three so eight s plus three. Then we're six p with two. So six people's too do with five So two plus fire five with four So five plus full equals two do 36 207 20 seven. Well, a now we can give. And so for this addition as you get a zero to minus nine. Eight s plus three six p plus two plus 5 +75 plus four is nine equals two, 2 36 27 27 12 a. No. The dimension of this matrix is to cross three and also dismal. Texas to across three so we can compare the two mattresses and the tumor presents can be equal if and only if their corresponding elements are equal. So first we have first row for scholarly. Was there minus nine? And here we have two. So is there the minus nine equals Toto, This gives us Is there a question? 11. Next we have well, r equals to 36. So vo two LR equals 36. This gives us our quest to three. Next, we have eight s plus three equals to 27. So we can write. It is eight x plus three equals two 27. This gives us eight s equals to 27. Minus three is 24 which gives us s equals 23 Next to the hotel six p plus two equals to 20. Therefore six p equals 2 18 Hence the hell he was 23 Next to be held second or second column Element E seven here also seven. So both are same. And then second route Her column element is nine here to allay. So we have nine equals Student will A These employees a equals tau nine divided Vital which cancels to three divided by who Hence our answer will be given by zero equals 2 11 Our quest for three s equals 23 b equals 23 and a equals 23 divided by four dead goes over. Answer

In this question we are given a function and asked to put different domain values in. So we have K of negative two. So wherever we see easy in our function and we're going to put negative too. Do you have 40 plus 20 negative two squared? So that gives us 40 plus -2 squared is gonna give us four And in four times 20 is gonna give us 80. So we have 120. Next we have K of negative Z. So it's gonna give us 40 plus 20 times negative Z squared. So again we're gonna have 40 plus negative Z squared is going to give us a Z squared. And then we're gonna multiply that by 20 to give us 20 Z. Mhm Z squared. Next we have negative K. Of two. So when the negative comes before the function, we're just going to multiply everything by -1 in this case. So we still have to substitute or disease Or whatever is in the brackets. But we're just going to multiply the entire expression by -1. In this case KFC is 40 plus 20 Z squared. So all we have to do is now multiply everything by negative one. So we'll get negative 40 minus 20 Z squared. Mhm. And then lastly we have negative k minus Z. So we're gonna do negative one and I'm gonna open a bracket. So now we have 40 plus 20. Let's substitute ze right here for negative Z negative Z squared. So that's equal to negative 140 plus. So negative Z squared is going to give us Z squared times 20. So we're gonna get 20 Z squared. And now we're gonna multiply everything by negative one to give us negative 40 -20 z squared. And that would be our final answer.

So are a vector is going to be 4 -3 2. And our B vector is going to be two zero because j there is no J. Component. She's your -4. So A plus B. That's just gonna be the components added together. That's gonna give us four plus two. So six negative three and negative two. Then we want to find for A plus to be that's going to give us um South Africa us four ace at 16 Plus four. That's 20 then negative 12 plus serious. That's negative 12. And then uh 8 -8. So that'll be zero. Then we'll have the magnitude of a. That's gonna be four squared plus three squared plus two squared. That's 16 plus 9. 25 plus four. That's square to 29. And then the a vector might be vector the magnitude of that. That will be the same thing as the magnitude of two negative three negative six. That's going to give us the square root of two squared plus three squared plus six squared. So that's 36 plus nine plus four. That'll be the square root of 49. Which gives us seven.

In this problem, just look at it carefully. BB I too, will react in pageants of BSE here, too. ECU was to give compound Are we change which aid 80 cl here, which it A d c L. Here? So this is white PPT. They said white PPT. Therefore, according to the option option, age, correct and said for this problem, A d c l a will be the white PPT in this problem.


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