Home
Class 12
MATHS
Let A = [(5,5alpha , alpha),(0,alpha,5al...

Let A = `[(5,5alpha , alpha),(0,alpha,5alpha),(0,0,5)]`. If `|A^(2)|` = 25. then `|alpha|` equals

A

`5^(2)`

B

1

C

`1//5`

D

5

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

If A = [(cos alpha,sin alpha),(-sin alpha,cos alpha)] then A^(10) is equal to

If A(alpha, beta) = [(cos alpha, sin alpha, 0),(- sin alpha, cos alpha, 0),(0,0,e^beta)] then A(alpha, beta)^(-1) is equal to a) A(-alpha, -beta) b) A(-alpha,beta) c) A(alpha, - beta) d) A(alpha, beta)

|(alpha,-beta,0),(0,alpha,beta),(beta,0,alpha)|=0 , then

If f(alpha)=|{:(1,alpha,alpha^(2)),(alpha,alpha^(2),1),(alpha^(2),1,alpha):}| , then f(root(3)(3)) is equal to

If A_(alpha)=[(cos alpha,sinalpha),(-sinalpha,cosalpha)] then A_(alpha) A_(beta) is equal to A) A_(alpha beta) B) A_(alpha +beta) C) A_(alpha - beta) D)None of these

Let A=[{:(alpha^(2),5),(5,-alpha):}]and|A^(10)|=1024 , the alpha is equal to a)2 b)-2 c)3 d)-3

If alpha is a cube of unity , then the value of |{:(alpha,alpha^(3),alpha^(5)),(alpha^(3),alpha^(5),alpha),(alpha^(5),alpha,alpha^(3)):}| is equal to

If A=[[cos alpha, -sin alpha],[sin alpha, cos alpha]] , then A+A^T=I if the value of alpha is

if A=[[sin alpha, cos alpha],[-cos alpha, sin alpha]] , then verify A^T A=I