Bài 4 3,5 điểm. Cho Hình Chữ Nhật ABCD C - Gauthmath

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Question

Work out 5sqrt(7)+8sqrt(7) Give your answer as an integer or as a surd in its simplest form.SHOW LESS0

Solution

user avatar imageAnswer13√7ExplanationExplanation: Step 1: Since both terms have the same radical part (√7), you can add the coefficients directly. Step 2: Add the coefficients of the radical part: 5 + 8 = 13. Step 3: Combine the result with the common radical part: 13√7.Click to rate:22.5(71 votes)Search questionBy textBy image/screenshotDrop your file here orClick Hereto upload

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