Question

without finding the squares,evaluate 49 square -1​

Answer 1

Answer:

2400

Step-by-step explanation:

$49^{2} - 1$

= $a^{2} - b^{2} = (a+b)(a-b)$

= (49+1) (49-1)

= 50 * 48

= 2400

Answer 2

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