Question

Solve the following:

Part 2

Answer 1

Answer:

Step-by-step explanation:

1. a) 7921 and c) 3844 arare the perfect squares.

2, a) 35² - 34² = ( 35 - 34 ( 35 + 34 ) = 1 ( 69 ) = 69 [∵(a - b) ( a +b ) = a² - b² ]

b) 62² - 61² = ( 62 - 61 ) ( 62 + 61 ) = 1 ( 123 ) = 123

c) 153² - 152² = ( 153 - 152 ( 153 + 152 ) = 1 ( 305 ) = 305

3.a) 4624

Prime Factors of 4624 = 2× 2 × 2 × 2 × 17 × 17

b) 3600

Prime Factors of 3600 = 2 × 2 × 2 × 2 × 15 × 15

c) 7921

Prime factors of 7921 = 89 × 89