Question

Q.43 If the equation (a? + b?) x² – 2 (ac + bd) x + c + d = 0 has equal roots, then
(A) ab = cd
(B) ad=bc
ad-
(Di eh_ hd​

Answer 1

Answer:

i don't know this question

Answer 2

Answer:

Sorry bro I don't know the answer..

Step-by-step explanation:

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