Question

solve each of the following quadratic equation by extracting square root 1,) x²-100=0 2,) x²=121 3,) 2x²=50 4, ) x²=1/16 5,) (x-2)²-4=0​

Answer 1

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Answer 2

Given : x²-100=0

x²=121

2x²=50

x²=1/16

(x-2)²-4=0​

To Find : solve

Solution:

x²-100=0

=> x² = 100

=> x = √100

=> x = ± 10

x² = 121

=>x = √121

=> x = ±11

2x² = 50

=> x² = 25

=> x= ±5

x² = 1/16

=> x = ±1/4

(x - 2)² - 4 = 0

=> (x - 2)² = 4

=> x - 2  =  ±2

=> x = 2 ±  2

=> x = 0  , 4  

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