Question

write down the value of (7-6√3) square​

Answer 1

$(7 - 6 \sqrt{3} )^{2} \\ = (7)^{2} + (6 \sqrt{3} )^{2} - 2 \times 7 \times 6 \sqrt{3} \\ = 49 + 108 - 84 \sqrt{3} \\ = 167 - 84 \sqrt{3} (ans)$

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Answer 2

Answer:

-420.488

Step-by-step explanation:

(7-6√3)²

(a-b)²=a²-2ab+b²

7²-2*7*6√3+(6√3)²

49-84√3+36*9

49-84*1.732+324

49-145.488+324

-420.488