Question

(102)2 - (98)2 give the answer

Answer 1

Explanation:

600 is answer

10204-9604

600

Answer 2

$\bigstar$ Question:

• Find the value of : (102)² - (98)²

$\bigstar$Given:

• (102)² - (98)²

$\bigstar$To find:

• The value of (102)² - (98)²

$\bigstar$ Solution:

(102)² - (98)²

( By using a² - b² = ( a + b ) ( a - b ))

= ( 102 + 98 ) ( 102 - 98 )

= 200 × 4

= 800

$\bigstar$Answer:

• Therefore, the answer is $<u>\</u>boxed{800}$

$\circ$ Formula used:

• ( a - b ) ( a + b ) = a² - b²