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If ( a×a+1)(a×a+1)÷2a-iota=x+iota y then what …

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If ( a×a+1)(a×a+1)÷2a-iota=x+iota y then what is the value of x×x+y×y

Posted by Raghav Khandelwal 5 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Keshav Bindal 5 years, 7 months ago

First Step :- Rationalise. Second Step :- Squaring both side. Third Step :- Equating real and imaginary parts. (By equating you get value of x^2 - y^2 and 2xy) Then put them in formula. (x^2 + y^2)^2 = (x^2 - y^2)^2 + (2xy)^2

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CBSE > Class 11 > Mathematics