Question

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Answer 1

Answer:

11

Step-by-step explanation:

(6+5)(6-5)=6square -5square

11×1=11

Answer 2

Step-by-step explanation:

given that

${x}^{2} - {a}^{2} = (x + a)(x - a)$

${6}^{2} - {5}^{2} = (6 + 5)(6 - 5)$

${6}^{2} - {5}^{2} = 11 \times 1$

${6}^{2} - {5}^{2} = 11$