B. Solve the following incomplete quadratic equations by square root method.
1. a² - 36 = 0
2. x² = 225
3. Z² - 4 = 77
4. x² - 289 = 0
5. x² - 625 = 0
6. 4y² = 100
7. 5x² = 405
8. 5x² = 40
9. m² - 361 = 0
10. 4x² – 324=0
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B. Solve the following incomplete quadratic equations by square root method.
1. a² - 36 = 0
2. x² = 225
3. Z² - 4 = 77
4. x² - 289 = 0
5. x² - 625 = 0
6. 4y² = 100
7. 5x² = 405
8. 5x² = 40
9. m² - 361 = 0
10. 4x² – 324=0
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Answer:
1.a=±6
2.x=±15
3.z=±9
4.x=±17
5.x=±25
6.y=±5
7.x=±9
8.x=±2√2
9.m=±19
10.x=±9