Find the modulus and argument of the fol...

Find the modulus and argument of the following complex number and hence them in the polar form:`\ 1/(1+i)`

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`frac{1}{1+i}`
Rationalising the denominator :
`frac{1}{1+i} times frac{1-i}{1-i} `
`Rightarrow frac{1-i}{1-i^{2}} `
...

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