Use mean value theorem to prove that ✓101 lies between 10 and 10.05
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√(101) lies between 10 & 10.05
Step-by-step explanation:
√101 = √(100 + 1)
√(100 + 1) > √100
=> √(100 + 1) > √10²
=> √(101) > 10
√101 = √(100 + 1)
=> √(100 + 1) = √(10² + 2*10*0.5 + (0.05)² - (0.05)²)
=> √(100 + 1) = √((10 + 0.05)² - (0.05)²)
=> √(100 + 1) = √((10.05)² - (0.05)²)
=> √(100 + 1) < √(10.05)²
=> √(101) < 10.05
Hence
10 < √(101) < 10.05
√(101) lies between 10 & 10.05
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