plzz give answer of optional math
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6
cos 60=1/2
√25=5
√9=3
√36=6
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√[33 + √{4 + √ (50cos60°)}]
=√[33 + √{4 + √ (50×1/2)}]
= √[33 + √{4 + √(25)}
= √[33 + √{4 + 5}]
= √[33 + √9]
= √[33 + 3]
= √36
= 6
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