x=2+✓3,y=2-✓3 then calculate the simplified value of 3x²-5xy+3y²
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the value will be 37
Hope it will help...
Hope it will help...
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Answered by
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3x²-5xy+3y²
3(2+√3)²-5(2+√3)(2-√3)+3(2-√3)²
3(4+3+4√3)-5(4-3)+3(4+3-4√3)
3(7+4√3)-5+3(7-4√3)
21+12√3-5+21-12√3
21+21-5
42-5
37
I think it is useful for u
3(2+√3)²-5(2+√3)(2-√3)+3(2-√3)²
3(4+3+4√3)-5(4-3)+3(4+3-4√3)
3(7+4√3)-5+3(7-4√3)
21+12√3-5+21-12√3
21+21-5
42-5
37
I think it is useful for u
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