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प्रश्न
When a = 0, b = −1, find the value of the given expression:
2a2 + b2 + 1
योग
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उत्तर
2a2 + b2 + 1
= 2 × (0)2 + (−1) × (−1) + 1
= 0 + 1 + 1
= 2
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