Question

Eualute using the identify
(49)²​

Answer 1

Answer:

Step-by-step explanation:

(50-1)^2

As (a-b)^2=a^2+2ab+b^2

(50)^2 + (1)^2 - 2 *50*1

2500+1+100

2601

Answer 2

Answer:

2401

Step-by-step explanation:

(49)2

(50-1)2

(50)2-2*50*1+(1)2

2500-100+1

2400+1

2401