Math miscellaneousHard
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.
Create a free account to view solution
View Solution FreeMore Math miscellaneous Questions
The number of ways in which 6 men and 5 women can dine at a round table if no two women are to sit together is given by...If (2, 3, 5) is one end of a diameter of the sphere x2 + y2 + z2 - 6x - 12y - 2z + 20 = 0, then the coordinates of the o...dx is equal to...The number of ways of selecting 15 teams from 15 men and 15 women, such that each team consists of a man and a woman, is...Number of divisors of 1024 × (225)2 × (25)7 which are of the form 3k + 1 (where k is a whole number) is equal ...