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P(x-1)+P(x+1)=4x+2 olduğuna göre P(4) değeri nedir? 

A)4    B)6  C)8  D)9 E)10      

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Dnzalknrans

P(x)=ax+b

P(x-1)=ax-a+b

P(x+1)=ax+a+b

 

P(x-1)+P(x+1)=4x+2

ax-a+b+ax+a+b=4x+2

2ax+2b=4x+2

 

2ax=4x           2b=2

a=2                  b=1

 

P(X)=2x+1 'dir

P(4)=2.4+1=9

Beautifulbsr3rans

p(x-1)=a(X-1)+b=ax-a+b

p(X+1)=a(x+1)+b==ax+a+b

2ax+2b=4x+2

a=2

b=1

2x+1=P(X)

P(4)=2.4+1

P(4)=9

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