Mathematics · Surds and Indices
If √7 - 1√7 + 1 - √7 + 1√7 - 1 = a + b√7, then the values of a and b are respectively:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a = -32 and b = √7
- 2a = √7 and b = -2√73
- 3a = 0 and b = 0
- 4a = 0 and b = -23✓
Correct answer
a = 0 and b = -23
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