Question
If {x + (1/x)} = 7, then find the value of {x2 - (1/x)2}.
More Algebra Questions
- A boat covers a distance of 75 km downstream in 2.5 hours. If the ratio of upstream speed to downstream speed of the boat is 3:5, then find the distance tr...
- If (a + b) = 9 and ab = 14, find the value of (a² + b²).
- The mean age of 30 students was calculated as 15 years. However, it was later discovered that one student's age was mistakenly entered as 15 years instead ...
- If p = 25 - q - r and pq + r(p + q) = 256, then find the value of (p² + q² + r²).
- If √r + (1/√r) = 4, then find the value of r + (1/r).
- If 1/(x+ 1/(y+ 1/z)) = 13/30, then find x+y+z= ?
- Find ‘x’ if (x³+3x)/(3x²+1) = 189/61
- If (x –4)3+(x–5)3+(x–6)3 = 3(x–4)(x–5)(x–6), Then x = ?
- (x – 4)2 + (y + 3) 2 + (z – 5) 2 = 0, then find the value of 2x + 3y – z.
- 105, 111, 123, 141, ?, 195
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt