Yadi x2+y2=49 or x-y =3to x3-y3 ka man gyat kro
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Answer:
207
Step-by-step explanation:
x^2 + y^2 =49
(x-y)^2 +2xy=49
3^2 +2xy= 49
2xy=49-9
2xy=40
xy =20
Now,
(x-y)^3 = 3^3
x^3 -y^3 - 3xy (x-y) = 27
x^3 - y ^3 - 3 ×20( 3) =27
x^3- y ^3 = 27 + 3×20×3
x^3 - y ^3 = 27 + 180
x^3-y^3=207 Ans
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