CTET 2 Math and Science 1 Jan 2022 Paper

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Question : 41 of 150

Marks: +1, -0

What is the product of 9x² + 4y², 3x + 2y and 3x - 2y?

18x⁴ + 16y⁴
27x⁴ - 64y⁴
81x⁴ + 16y⁴
81x⁴ - 16y⁴

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