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B
(x2+2x−8)(x2+2x−3)
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C
(x+3y)(x−3y)(x+2y)(x−2y)
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D
None of these
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Solution
The correct option is B(x+3y)(x−3y)(x+2y)(x−2y) x4−13x2y2+36y4 =x4−9x2y2−4x2y2+36y4 =x2(x2−9y2)−4y2(x2−9y2) =(x2−9y2)(x2−4y2) =(x+3y)(x−3y)(x+2y)(x−2y)