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यदि `(a-ib)/(a+ib)=(1+i)/(1-i)`, तो सिद्ध कीजिए कि - a`+b=0`

Answer» `(a-ib)/(a+ib)=(1+i)/(1-i)rArr(a-ib)(a-i)=(a+ib)(1+i)`
`rArra-i(a+b)=a+i(a+b)-b`
`rArr(a-b)-i(a+b)=(a-b)+i(a+b)`
`rArr2i(a+b)=0rArra+b=0`


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