Question

the cofficient of xy in - 6 x square y square is (a) xy (b) 2xy (c)xy (d) 6xy​

Answer 1

Answer:

iii) x3+2x2y+6xy2-y3 from y3-3xy2-4x2y ... ={(x 2 + 3y2 - 6xy) + (2x2 - y2 + 8xy) + ( y2 + 8) + (x 2 - 3xy)} ={x2 ... Now, required expression = ( 4x2 + 3y2 - xy + 8) - (- 3x2 + 4y2 - xy + x - y + 3)

Step-by-step explanation:

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