Q 2031056822.     If `M (alpha ) = [ ( cos alpha , - sin alpha , 0 ),( sin alpha , cos alpha , 0) ,( 0 , 0 ,1) ]`

`M(beta) = [ ( cos beta , 0 , sin beta ),(0 , 1,0),( - sin beta , 0 , cos beta ) ] ` then

find `[ M (alpha) M (beta ) ]^(-1)`

NCERT Hots 04/06/SA
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