If a² + b² = 170 and a = 1 then b equals?
- 11
- 12
- 13
- None of these
Explanation
Put a = 1 into a² + b² = 170.
1² + b² = 170
1 + b² = 170
b² = 170 - 1
b² = 169
b = 13 or b = -13
So b equals 13 or -13.
Last verified on 25-05-2026
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