## Citigroup Interview Question for Java Developers

Country: India

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1
of 1 vote

(2x - 3y)^3
= (2x)^3 - (3y)^3 - 3*((2x)^2)*(3y) + 3*(2x)*((3y)^2)
= 8x^3 - 27y^3 - 36*(x^2)*(y) + 54*(x)*(y^2)

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0
of 0 vote

There are multiple equations for a line:

y = mx +c ( c is the y intercept and m is the slope)
(y2-y1) = m (x2-x1) (m is the slope and (x1,y1) (x2,y2) are a point on the line)

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0
of 0 vote

(a - b)³ wo a = 2x, b = 3y
(a - b)³ = a³ - 3a²b + 3ab² - b³ = 8x³ - 18x²y+54xy²- 27y³

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