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Factorise `25x^(2) - 30xy + 9y^(2)`.
The following steps are involved in solving the above problem . Arrange them in sequential order .
(A) `(5x - 3y)^(2) " " [ because a^(2) - 2b + b^(2) = (a-b)^(2)]`
(B) `(5x)^(2) - 30xy + (3y)^(2) = (5x)^(2) - 2(5x)(3y) + (3y)^(2)`
(C) `(5x - 3y) (5x - 3y)`
A. ABC
B. BCA
C. ACB
D. BAC

1 Answer

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Best answer
Correct Answer - D
(B) , (A) and (C) is the required sequential order .
Hence , the correct option is (d) .

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