Multiple Choice Questions

If x radic 3 radic 4 radic 5 than x4 ndash 8x3 8x2 32x ........

Quantitative Aptitude (CUET) Algebra

If x = √3 + √4 + √5 than x⁴ – 8x³ + 8x² + 32x = ?

x = √3 + √4 + √5
x – 2 = √3 + √5
x² – 4x + 4 = 8 + 2 √15
x² – 4x – 4 = 2√15
x⁴ + 16x² + 16 – 8x³ + 32x – 8x² = 60
x⁴– 8x³ + 8x² + 32x = 44

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