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F(x) =log(1+x/1-x). Perove that 2 f(x)=f(2x/1+x²)

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F(x) =log(1+x/1-x). Perove that 2 f(x)=f(2x/1+x²)

Posted by Vivek Mandal 7 years, 6 months ago

CBSE > Class 12 > Mathematics

2 answers

Vivek Mandal 7 years, 6 months ago

Didnt get it

1Thank You

Rahul Ajmera 7 years, 6 months ago

(1-x/1+x)×(1-x)(1)-(1+x)(-1)/(1-x^2) =(1-x)/(1+x)×(-2x) /(1^2-x^2) =(1-x)/(1+x)×(2x)/(1-x)(1+x) =(2x/1+x^2). (Hence Prove)

2Thank You

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F(x) =log(1+x/1-x). Perove that 2 f(x)=f(2x/1+x²)

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