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. uses. Unit
Unit ;
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Unit Power;
Interface
{ n x}
Function IntPower(x: real; n: integer): real;
{ n x}
Function Root(x: real: n: integer):real;
{ y x}
Function RealPower(x, y: real): real;
Implementation
Function IntPower(x: real; n: integer): real;
var P: real; i: integer;
begin
P:=1;
For i:=1 to n do
P:=P*x;
IntPower:=P;
end;
Function Root(x: real: n: integer):real;
var y: real;
begin
y:=x;
repeat
y:=(n-1)/n*y+x/(n*IntPower(y, n-1));
until abs(IntPower(y, n)-x)<1.0E-4;
Root:=y;
end;
Function RealPower(x, y: real): real;
begin
RealPower:=exp(y*ln(x));
end;
end.
:
program Powerz;
Uses Power;
var a, b, x, y, z: real;
begin
write(a, b=);
readln(a,b);
y:=2*a-sqrt(b);
x:=Root(sqr(a)+IntRower(b,4)), 4);
z:=RealPower(abs(x), a) - IntRower(y, 3);
writeln(z=,z:10:4);
readln;
end.
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