Question

The simplified value of expression
[7- 4√3]^4274 [97+ 56√3]^2137 +
[7+ 4√3]^4274 [97- 56√3]^2137 is______ .
A. 194+ 112√3
B. 14+ 8√3
C. 0
D. 2

Answer 1

Answer:

2

Step-by-step explanation:

formula used---->

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1.(a+b)^2=a^2+b^2+2ab

2.(a-b) ^2=a^2+b^2-2ab

3.a^2-b^2=(a+b)(a-b)

Answer 2

Step-by-step explanation:

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