Question

2. The value of 249²-248² is-
a) 1²
b) 477
c) 487
d) 497​

Answer 1

Answer:

the answer is d) 497

Step-by-step explanation:

square of 249 is 62001

square of 248 is 61504

62001-61504 = 497

Answer 2

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The value of 249²-248² is-??

${\huge\fbox\blue{A}\fbox\purple{n}\fbox\green{S}\fbox\red{w}\fbox\orange{E}\fbox{r}}$

The value of 249²-248²

we know that,

$\bold{\boxed{\green{a^{2}-b^{2}=(a+b)(a-b)  } }}$ 

So,

• 249²-248²
• (249+248)(249-248)
• 497×1
• 497

Hence,

The value of 249²-248² is 497