Math, asked by nagpalturbanshop, 4 months ago

If x + y = 12 and ty = 27, find the value of r'+y!

Answers

Answered by shravanifulpatil

4

Step-by-step explanation:

Given that, x+y=12 and xy=27

We know,

(x+y)

3

=x

3

+y

3

+3xy(x+y)

Therefore,

12

3

=x

3

+y

3

+3×27×12

1728=x

3

+y

3

+972

x

3

+y

3

=1728−972=756

∴x

3

+y

3

=756

pls mark me as brainliest

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