Mathematics - Algebra
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Given, x = √3, what is (x + 1)² + (x-1)²? (यदि x = √3, [x + 1]² + [x-1]² का मान क्या है?)
Correct Answer
A — 8
(x+1)²+(x-1)² = 2x²+2 = 2(3)+2 = 8. ([x+1]²+[x-1]² = 2x²+2 = 2[3]+2 = 8।)