Math, asked by king592, 2 months ago

5. If x + y = 3, xy = 2, find the value of x³ +y³

Answers

Answered by chandrasnatasahu2006

1

Step-by-step explanation:

x+y= 3

xy= 2

ATQ,

x3 + y3 = (x + y) (x2 + y2 - xy)

Now put the values,

x3 + y3 = 3 × (x2 + y2 -2)

= 3x2 + 3y2 - 6

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