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If y=sqrt(x^2+6x+8) then show that one o...

If `y=sqrt(x^2+6x+8)` then show that one of the value of `sqrt(1+iy)+sqrt(1-iy)` is `sqrt(2x+8)` `(i=sqrt(-1))`

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PATHFINDER-COMPLEX NUMBERS-QUESTION BANK
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