Math, asked by jagadeeshac250, 10 months ago

Find the value of x³+y³-12xy+64, when x+y=-4(use identity)

Answers

Answered by malavikabala012003

0

(x+y)³ = x³+y³+3xy(x+y)

Substituting x+y= -4

(-4)³ = x³+y³+3xy(-4)

-64 = x³+y³-12xy

0 = x³+y³- 12xy +64

Answered by ankushonkar

0

Answer:

x+y)³ = x³+y³+3xy(x+y)

Substituting x+y= -4

(-4)³ = x³+y³+3xy(-4)

-64 = x³+y³-12xy

0 = x³+y³- 12xy +64

Step-by-step explanation:

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