Question

a) What should be added to x2 + 3xy + y2 to get x2 + y2. 31 ​

Answer 1

Answer:

Let us assume p be the required term

Then,

p + (x2 + xy + y2) = 2x2 + 3xy

p = (2x2 + 3xy) - (x2 + xy + y2)

p = 2x2 + 3xy – x2 – xy – y2

p = 2x2 – x2 + 3xy – xy – y2

p = x2 - 2xy – y2

Step-by-step explanation:

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