If a² + b² = 65 and a = 1 then b equals?
- 8
- 7
- 6
- None of these
Explanation
Given:
a² + b² = 65
a = 1
Put value of a:
1² + b² = 65
1 + b² = 65
Subtract 1 from both sides:
b² = 64
Take square root:
b = 8 (positive value)
So, b = 8.
Last verified on 15-05-2026
Related MCQs
- Forty-eight minus x equals seven x
- Forty-eight plus x equals seven x
- Forty-eight minus seven x equals x
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x
اس سوال کو وضاحت کے ساتھ پڑھیں
