Math, asked by pawanisingla59, 2 days ago

The sum of two expressions is 2a² + 3ab- b² . If one is a² + 2b². Find the other.

Answers

Answered by sabrinapradhan25

2

Answer:

The other expression is a²+3ab-3b²

Step-by-step explanation:

Let the expression be x

a²+2b²+x=2a²+3ab-b²

or, x=2a²-a²+3ab-b²-2b²

∴ x=a²+3ab-3b²

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