✓[6²+6²+2*6*6(cos90+13)]
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Answered by
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√36+36+2×6×6×(0+13)=√28×36=6×√28
Answered by
1
√{36+36+2*6*6(0+13)} cos90 = 0
√[36 + 36+ 72(13)]
√(72 + 936)
√1008
12√7
√[36 + 36+ 72(13)]
√(72 + 936)
√1008
12√7
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