how do you get the last equation from the upper 3 ?
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★ Given :-
. . . eq (i)
. . . eq (ii)
. . . eq (iii)
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To Derive :-
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Solution :-
⠀
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Now, we will put the value of from equation iv in equation (ii), we get,
⠀
⠀
Now, we will put the value of in eq. (iii) from eq. (v), so,
⠀
Now, we will put the value of in eq (i) to obtain the value of
,so,
⠀
⠀
Now, we will put the value of in eq. (ii) to obtain the value of
, so,
⠀
⠀
Therefore,
= 3
= - 1
= 1
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Now,on adding these we get,
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Hence, we got the required equation!
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