Question

(5 root 11 - 7 root 2) (6 root 2 - 7 + 2 root 3)

Answer 1

The value of root 11 = 3.3
root 2 = 1.4
root 3 = 1.7
therefore,
(5 root 11 - 7 root 2) (6 root 2 - 7 + 2 root 3)
= [5(3.3) - 7(1.4)] [6(1.4) - 7 + 2(1.7)]
= [16.5 - 9.8] [8.4 - 7 + 3.4]
= [6.7] [-2]
= -13.4 ans