Calculate Inside Square Root: We need to evaluate the expression step by step. First, we will calculate the value inside the square root, which is 52−42.52=2542=16So, 52−42=25−16=9
Take Square Root: Now we take the square root of the result from the previous step. 9=3
Evaluate Parentheses: Next, we evaluate the second part of the expression, which is 7(5−4)2. First, calculate the value inside the parentheses: 5−4=1.
Raise to Power: Now we raise the result to the power of 2: 12=1.
Multiply Result: Then we multiply the result by 7: 7×1=7.
Add Final Results: Finally, we add the results of the square root and the multiplication together to get the final answer. 3+7=10
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