4 (sinº 60° + cos* 30°) – 3 (tan? 60° – tan? 45°) + 5 cos 45º
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4(√3/2+√3/2)-3(√3-1)+5x1/√2
=(4x√3/2) -3√3-3+5/√2
=2√3-3√3-3+5/√2
=-√3-(3√2+5/√2)
=-√6-3√2+5/√2
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