If sqrt((x-1)(y+2))=7 , x and y being ...

If `sqrt((x-1)(y+2))=7` , `x` and `y` being positive whole numbers, then the values of `x` and `y` respectively are (a) 8, 5 (b) 15, 12 (c) 22, 19 (d) None of these

A

8, 5

B

15, 12

C

22, 19

D

15, 12

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The correct Answer is:

A

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