\sqrt { ( x ^ { 2 } - 2 x - 15 ) ( x ^ { 2 } - 5 x - 24 ) ( x ^ { 2 } - 13 x + 40 ) } =

Correct Answer is : ( x - 8) (x - 5) ( x + 3)

TS ICET 2017 Question Paper with Solutions for online practice

Question : 123 of 200

Marks: +1, -0

√ { ( x ^ { 2 } - 2 x - 15 ) ( x ^ { 2 } - 5 x - 24 ) ( x ^ { 2 } - 13 x + 40 ) } =

Solution:

√{(x^{2}-2x-15)(x^{2}-5x-24)(x^{2}-13x+40)}

=√{(x+3)(x-5)(x+3)(x-8)(x-5)(x-8)}

=(x-8)(x-5)(x+3)

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