32
23
49
94
Correct answer is D
√x - √(x−2) - 1 = 0
= √x - √(x−2) = 1
= (√x - √(x−2))2 = 1
= x - 2 √x(x−2) + x -2 = 1
= (2x - 3)2 = [2 √x(x−4)]2
= 4x2 - 12x + 9
= 4(x2 - 2x)
= 4x2 - 12x + 9
= 4x2 - 8x
4x = 9
x = 94
Find the distance between the points C(2, 2) and D(5, 6)....
Simplify √160r2+√71r4+√100r8...
Bello buys an old bicycle for ₦9,200.00 and spends ₦1,500.00 on its repairs. If he sells the bic...
If 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10? ...
Find a positive value of α if the coordinate of the centre of a circle x2 + y\(^2...
A man earns N3,500 per month out of which he spends 15% on his children's education. If he spend...