√4489 + √1849 – √841 = ?2

Q. √4489 + √1849 – √841 = ?²

a)            7

b)            5

c)            8

d)            6

e)            9

Sol:

√4489 + √1849 – √841 = ?²

67 + 43 – 29 = ?²

? = 9