Q16 of 227 Page 114

The square root of 49 (x2 – 2x + y2)2 is

Given: A polynomial: 49

Required: to find the square root of the given polynomial


Let f(x) = 49


Now,


⇒ (∵ (x–y)2 = x2-2xy + y2)


⇒


⇒


∴ Square root of the given polynomial is:


∴ Correct Option is - Option (D)

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