MCQOPTIONS
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MCQOPTIONS
| 1. |
If x=5−21−−√,x=5−21, then the value of x−−√32−2x−−−−−−√−21−−√x32−2x−21 is? |
| A. | 12–√(3–√−7–√)12(3−7)12–√(3–√−7–√)12(3−7)12–√(3–√−7–√)12–√(3–√−7–√)12–√(3–√−7–√)12–√(3–√−7–√)12–√12–√112–√2–√2–√2–√2–√222––√√(3–√−7–√)((3–√−7–√3–√−7–√3–√3–√333––√√−7–√7–√777––√√))12(3−7) |
| B. | 12–√(7–√−3–√)12(7−3)12–√(7–√−3–√)12(7−3)12–√(7–√−3–√)12–√(7–√−3–√)12–√(7–√−3–√)12–√(7–√−3–√)12–√12–√112–√2–√2–√2–√2–√222––√√(7–√−3–√)((7–√−3–√7–√−3–√7–√7–√777––√√−3–√3–√333––√√))12(7−3) |
| C. | 12–√(7–√+3–√)12(7+3)12–√(7–√+3–√)12(7+3)12–√(7–√+3–√)12–√(7–√+3–√)12–√(7–√+3–√)12–√(7–√+3–√)12–√12–√112–√2–√2–√2–√2–√222––√√(7–√+3–√)((7–√+3–√7–√+3–√7–√7–√777––√√+3–√3–√333––√√))12(7+3) |
| D. | 12–√(7+3–√)12(7+3)12–√(7+3–√)12(7+3)12–√(7+3–√)12–√(7+3–√)12–√(7+3–√)12–√(7+3–√)12–√12–√112–√2–√2–√2–√2–√222––√√(7+3–√)((7+3–√7+3–√7+3–√3–√333––√√))12(7+3) |
| Answer» B. 12–√(7–√−3–√)12(7−3)12–√(7–√−3–√)12(7−3)12–√(7–√−3–√)12–√(7–√−3–√)12–√(7–√−3–√)12–√(7–√−3–√)12–√12–√112–√2–√2–√2–√2–√222––√√(7–√−3–√)((7–√−3–√7–√−3–√7–√7–√777––√√−3–√3–√333––√√))12(7−3) | |