Question
If n = 6 + √13, then find the value of (n + 1/n)².
More Algebra Questions
- If √d + (1/√d) = 6, then find the value of d + (1/d).
- If p = 40 - q - r and pq + r(q + p) = 432, then find the value of (p² + q² + r²).
- If 112 ÷28 x 22 –12 x 6 ÷ 3 +12 = z, then find the value of z.
- Suppose xy = -15 and (x² + y²) = 34, then determine the value of (x – y).
- Find the number of zeroes in 24 × 50 × 64 × 15.
- If x2 = 15x + 1, then find the value of {x3 - (1/x3) }.
- If p = 35 - q - r and pq + r(p + q) = 324, then find the value of (p² + q² + r²).
- Question 8
- If x + 1/x = 3 (x ≠ 0), find the value of x³ + 1/x³.
- If cos(A - B) = √3/2 and cot(A + B) = 1/√3, where A - B and A + B are acute angles, then (2A - 3B) is equal to:
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