Q. 655.0( 2 Votes )

# Subtract 9a^{2} – 15a + 3 from unity.

Answer :

Unity means 1.

∴ 1 – (9a^{2} – 15a + 3)

= -9a^{2} + 15a – 2

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(a) What should be added to x^{3} + 3x^{2}y + 3xy^{2} + y^{3} to get x^{3} + y^{3}?

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Subtract 9a^{2} – 15a + 3 from unity.

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