solve only 1st question plz
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2^5x-x=( 2)^20×1/5
2^4x = 2^4
on comparing..
4x =4
so
x=1 @ns
........................................
----> 5x + x = 5/20
----> 6x=1/4
----> x = 1/4
........................................
hope it was useful...
and sorry if it is incorrect