Mathematics · Vector Algebra
दो सदिशों a और b के परिमाण |a| और |b| ज्ञात कीजिए, यदि (a + b) · (a - b) = 8 और |a| = 8|b| है।
- 18√33√7, 2√33√7
- 216√63√7, 2√23√7
- 38√23√7, 2√23√7
- 416√23√7, 2√23√7✓
सही उत्तर देखें
16√23√7, 2√23√7
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