Question

Answer it with detailed Solution..

Answer 1

See In this question ,
LHS will be equal to RHS iff each term is equal to zero .
So,
(x-1)^2 = 0 i.e. x= 1.
(y-2)^2 = 0 i.e. y = 2
(z-3)^2 = 0 i.e. z= 3
(t-4)^2 = 0 i.e. t = 4.
Thus,
xyzt = 1*2*3*4 = 24.
So, the answer will be option B.

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