3x 2 - 5xy + 4y 2 - 1, 7y 2 - 9xy + 5, - Maths - Algebraic Expressions and Identities

Question

3x 2 - 5xy + 4y 2 - 1, 7y 2 - 9xy + 5,
7xy – 4x 2 + y 2 -13 find the sum

Rajat Goyal · Accepted Answer

3x 2 - 5xy + 4y 2 - 1, 7y 2 - 9xy + 5, 7xy – 4x 2 + y 2 -13 find the sum