Math, asked by chauhanraghav956, 6 months ago

If 2x+ 3y=11 and xy =3 find value of 4x2+ 9y2

Answers

Answered by Annurajput15

3

Step-by-step explanation:

2x+3y=11

squaring both sides

(2x+3y)^2=11^2

4x^2 + 9y^2+ 2(2x)(3y)=121

4x^2+9y^2+12xy=121

4x^2+9y^2+12(3)=121

4x^2+9y^2+36=121

4x^2+9y^2=85.........

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