Question

answer guy's mark as brilliant​

Answer 1

Putting the value of x and y in equation and, then make it in the form (a-b)^2.

Or,

9x^2-24xy+16y^2

9(2/3)^2-23(2/3)(3/4)+16(3/4)^2

(9×4/9)-(23×2/4)+(16×9/16)

4-46/4+9

LCM = 4

16-46+36

16+36-46

52-46 = 6 Ans.

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Answer 2

Sorry for bad handwriting