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Bhava Sphuran from N.St .Mathew's Public School, Vijayawada

Subject :IMO Class : Class 7

x²y (x³ - x + 1) -y (x³ - x² - 1) - xy (x⁴ - 2x² + 2x) = ____________.

Ax²y
Bx
C0
Dy

answer is D. Y

Ans 1:

Prasanthi Kasanneni from Ganges valley school, 500072

Class : Class 7