If x = 3 + 2√2, then the value of | ❨ | √x | - | 1 | ❩ | is: |
√x |
❨ | √x | - | 1 | ❩ | 2 | = x + | 1 | - 2 |
√x | x |
= (3 + 2√2) + | 1 | - 2 |
(3 + 2√2) |
= (3 + 2√2) + | 1 | x | (3 - 2√2) | - 2 |
(3 + 2√2) | (3 - 2√2) |
= (3 + 2√2) + (3 - 2√2) - 2
= 4.
∴ | ❨ | √x | - | 1 | ❩ | = 2. |
√x |
The shaded region represents
y ? x
Let 45 x A = (25 x 900)/100
? A = (25 x 9)/45 = 5
CP = [100/(100 - Loss%) ] x SP
CP = 6000 x (100/75) = 8000
NA
Angle swept in 30 min= 180°
Area swept = [(22/7) x 7 x 7] x [180°/360°] cm2
= 77 cm2
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