Math miscellaneousEasy
Question
If A = 
and A2 = 
, then
and A2 = , thenOptions
A.α = a2 + b2, β = ab,
B.α = a2 + b2, β = 2ab,
C.α = a2 + b2, β = a2 - b2
D.α = 2ab, β = a2 + b2
Solution
A = 
A2 =
⇒ α = a2 + b2, β = 2ab.
Hence, (B) is the correct answer.
A2 =
⇒ α = a2 + b2, β = 2ab.
Hence, (B) is the correct answer.
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