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Grade: 12
        If sin-1 x + sin-1 y + sin-1 z =3π/2 then x^100+y^100+z^100-9/(x^101+y^101+z^101)= Options are.     a)0    b)1    c)2    d)3
2 years ago

Answers : (1)

Arun
23742 Points
							
Dear student
 
Sin-1 x + sin-1 y + sin-1 z = 3\pi/2
Means
x = y = z = 1
Hence
Expression becomes
(1+1+1 -9)/(1+1+1) 
= -6/3
= -2
 
Regards
Arun (askIITians forum expert)
2 years ago
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