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If and
, then find x and y.
A. …eq(i)
…eq(ii)
Subtracting (ii) from (i)
⇒
⇒
⇒
⇒
⇒
⇒
⇒
⇒
⇒
⇒
Now, putting the value of in eq(ii)
⇒
⇒
⇒
⇒ and
. Find x
. Find x
Solve:
Solve:
Solve: .
Solve: .