Question

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Answer 1

$\bold \blue {{In \: the \: attached \: attachment \: is \: your \: solution}}$

Now,

ar(AYX) = ar(।।gm ABCD) - [ar(ABX) +ar(AYD) +ar(CYX)]

ar(AYX) = ar(।।gm ABCD) - [1/4 ar(।।gm ABCD) +1/4ar(।।gm ABCD) +1/8ar(।।gm ABCD)]

ar(AYX) = 3/4 ar(।।gm ABCD) [1/2]

ar(AYX) = 3/8 ar(।।gm ABCD)

$\bold \blue {{... HOPE \: YOU \: GOT \: IT...}}$