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If 2 + i and sqrt5-2i are the roots of t...

If 2 + i and `sqrt5-2i` are the roots of the equation `(x^2+ax+b)(x^2+cx+d)=0`, where a,b,c,d are real constants, then product of all roots of the equation is

A

40

B

`9sqrt5`

C

45

D

35

Text Solution

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The correct Answer is:
C
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PATHFINDER-QUADRATIC EQUATION AND EXPRESSION-QUESTION BANK
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