Math, asked by avishma, 4 months ago

1) If 3x + 2y = 9; xy = 4 then find the value of 9x² + 4y².

Answers

Answered by nehachugh07

1

Answer:

Square both the side

(3x + 2y)^2 = (9)^2

9x^2 + 4y^2 = 81

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