Question

 (102)^2 - (98)^2 is equal to *​

Answer 1

Answer:

800

Step-by-step explanation:

⇒ (100+2)² - (100-2)²

⇒ 100² + 2² + 2(100)(2) - 100² - 2² + 2(100)(2)

⇒ 400 + 400 = 800

Hope this helps.....

Answer 2

102² - 98² = 800

Given :

The expression 102² - 98²

To find :

The value of the expression

Solution :

Step 1 of 2 :

Write down the given expression

The given expression is

102² - 98²

Step 2 of 2 :

Find the value of the expression

Use the formula a² - b² = ( a + b ) ( a - b )

$\sf {102}^{2} - {98}^{2}$

$\sf = (102 + 98) \times (102 - 98)$

$\sf = 200 \times 4$

$\sf = 800$

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

$1.$ The value of 405suare-404 sqaure

https://brainly.in/question/49743792

2. Find the value of 399^2- 398^2

https://brainly.in/question/10363843