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What Should Be Added to X2 + Xy + Y2 to Obtain 2x2 + 3xy? - CBSE Class 7 - Mathematics

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Question

What should be added to x2 + xy + y2 to obtain 2x2 + 3xy?

Solution

Let a be the required term.

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

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

a = 2x2 + 3xy - x2 - y2 - xy

a = 2x2 - x2 - y2 + 3xy - xy

= x2 - y2 + 2xy

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APPEARS IN

 NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 12: Algebraic Expressions
Ex. 12.20 | Q: 4.1 | Page no. 240
Solution What Should Be Added to X2 + Xy + Y2 to Obtain 2x2 + 3xy? Concept: Addition and Subtraction of Algebraic Expressions.
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