Write a short note on the regional architecture that developed in the 15th century.
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Answer:
New value of x =
100
80
x=0.8x
New value of y
2
=
100
80
y×
100
80
y=0.64y
2
∴ New value of expression =0.8x×0.64y
2
=0.512xy
2
∴ % reduction in the value =
xy
2
xy−0.512xy
2
×100%
=(0.488×100)%
=48.8%
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